/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

:root {
    --page-bg: #151312;
    --surface: #0d192e;
    --surface-strong: #111827;
    --surface-light: #ffffff;
    --surface-soft: rgba(255, 255, 255, 0.04);
    --surface-soft-strong: rgba(255, 255, 255, 0.08);
    --text-base: #f3f4f6;
    --text-strong: #ffffff;
    --text-muted: #94a3b8;
    --text-secondary: #cbd5e1;
    --gradient-dark: #3e3e3e;
    --gradient-mid: #545454;
    --text-dark: #1d1c1c;
    --border: #1e293b;
    --border-soft: rgba(148, 163, 184, 0.12);
    --accent: #3b82f6;
    --accent-strong: #2563eb;
    --accent-soft: rgba(59, 130, 246, 0.12);
    --secondary: #22c55e;
    --secondary-soft: rgba(34, 197, 94, 0.08);
    --success: #44ef55;
    --success-soft: rgba(68, 239, 85, 0.78);
    --danger: #ef4444;
    --danger-soft: rgba(239, 68, 68, 0.78);
    --warning: #ff6f08;
    --warning-soft: rgba(255, 111, 8, 0.78);
    --shadow-strong: 0 10px 30px rgba(0, 0, 0, 0.2);
    --page-glass: rgba(255, 255, 255, 0.03);
    --scrollbar: rgba(61, 133, 234, 0.5);
    --scrollbar-hover: rgba(148, 163, 184, 0.8);
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #001a2e;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(
        180deg,
        #598ad4,
        #7aa6e8
    );
    border-radius: 50px;
    border: 2px solid #001a2e;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(
        180deg,
        #7aa6e8,
        #598ad4
    );
}

body {
    background-color: var(--page-bg);
    color: var(--text-base);
    font-family: 'Poppins', 'Segoe UI', sans-serif;
    line-height: 1.6;
}

.container {
    max-width: 1250px;
    margin: 0 auto;
    padding: 0 24px;
}

hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 50px 0;
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
header {
    position: sticky;
    top: 0;
    background-color: var(--page-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    padding: 5px;
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
    background: transparent;
    display: inline-flex;
    bottom: 50%;
}

.logo a {
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    padding: 0;
    margin-top: 0;
    background: transparent;
    border-radius: 50%;
    overflow: hidden;
}

.logo img {
    width: 120%;
    height: auto;
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    background-color: transparent !important;
    border-radius: 0;
    transform: scale(1.15);
}

nav {
    display: flex;
    gap: 32px;
}

.header-toggle,
.header-close {
    display: none;
    background: transparent;
    border: none;
    color: #f3f4f6;
    cursor: pointer;
    font-size: 22px;
    align-items: center;
    justify-content: center;
}

.header-close {
    position: absolute;
    top: 18px;
    right: 24px;
}

header.header-open nav {
    display: flex;
}

a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--text-strong);
}

.btn-hire {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: var(--text-strong);
    padding: 12px 26px;
    border-radius: 12px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    border: 1px solid transparent;
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.15);
    transition: all 0.25s ease;
}

.btn-hire:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 36px rgba(37, 99, 235, 0.22);
}

/* Mobile */
@media (min-width: 0px) and (max-width: 767px) {

    .main-layout{
        margin-top: -40px;
    }

    nav {
        width: 100%;
        display: none;
        flex-direction: column;
        align-items: center;
        gap: 10px;
        padding: 0;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--page-bg);
        border-radius: 0 0 20px 20px;
        border-top: 1px solid var(--border);
        padding: 20px 18px 18px;
        z-index: 10;
    }

    header.header-open nav {
        display: flex;
    }

    .nav-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 1px;
        position: relative;
    }

    .logo {
        align-self: flex-start;
    }

    .header-toggle {
        display: inline-flex;
        position: absolute;
        right: 24px;
    }

    .header-close {
        display: none;
    }

    header.header-open .header-toggle {
        display: none;
    }

    header.header-open .header-close {
        display: inline-flex;
    }

    nav a {
        width: 100%;
        max-width: 320px;
        text-align: center;
        padding: 12px 14px;
        border-radius: 14px;
        background: var(--surface-soft);
        transition: background-color 0.2s ease;
    }

    .btn-hire {
        display: none;
    }

    nav a:hover {
        background: var(--surface-soft-strong);
    }

    .btn-hire {
        width: 100%;
    }

    .hero-content {
        width: 100%;
        padding: 0 12px;
    }

    .hero-content h1 {
        font-size: 46px;
        text-align: center;
        margin-bottom: 20px;
    }

    .hero-dis {
        font-size: 15px;
        max-width: 100%;
        margin: 0 auto 30px;
        text-align: center;
    }

    .stats-row {
        flex-direction: column;
        gap: 16px;
        border-top: none;
        padding: 0;
        margin-bottom: 30px;
        align-items: flex-start;
    }

    .stat-num {
        font-size: 42px;
    }

    .stat-label {
        font-size: 12px;
    }



    .btn {
        width: 100%;
        max-width: 360px;
        padding: 12px 18px;
        justify-content: center;
    }
}

/* Tablet: 768px — 1023px */
@media (min-width: 768px) and (max-width: 1023px) {
    .main-layout {
        display: flex;
        flex-direction: row;
        gap: 24px;
        align-items: flex-start;
        padding-top: 40px;
        padding-bottom: 40px;
    }

    .sidebar {
        width: 35%;
        position: static;
        top: auto;
        z-index: 1;
        display: block;
        padding-top: 0;
    }

    .profile-card {
        max-width: 360px;
        margin: 0;
        min-height: 520px;
        padding: 34px 20px;
    }

    .content-area {
        width: 65%;
    }

    /* Hero adjustments for tablet */
    .hero-content {
        padding: 0 8px;
    }

    .hero-content h1 {
        font-size: 56px;
        text-align: left;
        margin-bottom: 18px;
    }

    .hero-dis {
        font-size: 16px;
        text-align: left;
        max-width: 100%;
        margin-bottom: 22px;
    }

    .stats-row {
        flex-direction: row;
        gap: 16px;
        align-items: center;
        margin-bottom: 20px;
    }

    nav {
        display: flex !important;
        gap: 20px;
    }

    .btn-hire {
        display: inline-flex;
    }

    .btn {
        width: auto;
        padding: 10px 16px;
    }
}

/* ==========================================================================
   MAIN TWO-COLUMN STICKY LAYOUT (Flexbox Mechanism)
   ========================================================================== */
.main-layout {
    display: flex;
    flex-direction: column;
    gap: 48px;
    padding-top: 60px;
    padding-bottom: 60px;
}

@media (min-width: 1024px) {
    .main-layout {
        flex-direction: row;
        /* Desktop වලදී පැත්තෙන් පැත්තට පෙන්වයි */
        align-items: flex-start;
    }
}

/* ⬅️ LEFT SIDEBAR (ALWAYS STICKY) */
.sidebar {
    width: 100%;
}

@media (min-width: 1024px) {
    .sidebar {
        width: 30%;
        /* Screen එකෙන් 30% වම් පැත්තට */
        position: sticky;
        top: 120px;
        /* Scroll කරද්දී header එකට යටින් සිරවී පවතී */
        z-index: 10;
        display: flex;
        justify-content: center;
    }
}

.profile-card {
    align-items: center;
    background-color: var(--surface-light);
    border: 1px solid var(--border-soft);
    border-radius: 20px;
    width: 100%;
    max-width: 360px;
    /* constrain card width so it centers nicely in the sidebar */
    padding: 50px 24px;
    text-align: center;
    box-shadow: var(--shadow-strong);
    min-height: 600px;
    /* 👈 ඩෙස්ක්ටොප් වලදී කාඩ් එකට ස්ථාවර ලස්සන අවම උසක් ලබා දුන්නා */
    display: flex;
    flex-direction: column;
    justify-content: center;
    /* 👈 ඇතුළේ තියෙන දේවල් මැදට ලස්සනට පෙළගස්වන්න */
    margin: 0 auto;
}

.img-box {
    width: 250px;
    /* 👈 පළල පොඩ්ඩක් වැඩි කළා */
    height: 300px;
    /* 👈 උස (Height) වැඩි කළා, එතකොට portrait විදිහට රූපය හොඳට පේනවා */
    margin: 0 auto 24px auto;
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid var(--border-soft);
}

.img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 15%;
    /* 👈 මූණ තියෙන හරිය විතරක් ලස්සනට කොටුව මැදට ගන්න පසන්ටේජ් එක මාරු කළා */
    transform: scale(1.1);
    /* 👈 ෆොටෝ එක තව ටිකක් zoom කරලා වටපිටාව කැපී පෙනෙන්න සැලැස්සුවා */
}

.profile-card h2 {
    font-size: 25px;
    font-weight: 700;
    color: var(--text-dark);
}

.profile-card p {
    color: var(--text-muted);
    font-size: 18px;
    margin-top: 16px;
    line-height: 1.1;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 24px;
}

.social-icons a {
    color: var(--text-muted);
    font-size: 25px;
    transition: color 0.2s ease, transform 0.2s ease;
}

.social-icons a:hover {
    color: var(--accent-strong);
    transform: translateY(-2px);
}

/* ➡️ RIGHT SIDE (SCROLLABLE AREA FOR SECTIONS) */
.content-area {
    padding-left: 7%;
    width: 100%;
}

@media (min-width: 1024px) {
    .content-area {
        width: 70%;
        /* Screen එකෙන් 70% ක් දකුණු පැත්තට */
    }
}

/* ==========================================================================
   HERO / HOME CONTENT
   ========================================================================== */
.welcome-tag {
    color: var(--accent);
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1px;
    display: block;
}

.hero-content h1 {
    font-size: 92px;
    font-weight: bold;
    color: var(--text-strong);
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(to right, var(--gradient-dark), var(--gradient-mid), var(--gradient-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-dis {
    color: var(--text-muted);
    font-size: 16px;
    max-width: 700px;
    margin-bottom: 40px;
}

/* Stats */
.stats-row {
    display: flex;
    gap: 55px;
    padding: 4px 0;
    border-top: 1px solid var(--border);
    margin-bottom: 40px;
}

.stat-num {
    letter-spacing: 5px;
    font-size: 65px;
    font-weight: 800;
    color: var(--text-strong);
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Buttons */
.btn-group1 {
    z-index: 99;
    position: fixed;
    bottom: 100px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: flex-end;
}

.btn-group2 {
    z-index: 99;
    position: fixed;
    bottom: 30px;
    left: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: flex-end;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 28px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-cv {
    background-color: var(--success-soft);
    color: var(--text-strong);
    border: 1px solid var(--border-soft);
}

.btn-cv:hover {
    background-color: var(--success);
    transform: translateY(-5px);
}

.btn-video {
    background-color: var(--danger-soft);
    color: var(--text-strong);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-video:hover {
    background-color: var(--danger);
    transform: translateY(-5px);
}

.btn-contac {
    background-color: rgb(6, 53, 124);
    color: var(--text-strong);
    border: 1px solid rgb(11, 64, 144);
}

.btn-contac:hover {
    background-color: rgb(11, 64, 144);
    transform: translateY(-5px);
}

.btn-ai {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--accent-soft);
    color: var(--text-strong);
    border: 1px solid rgba(37, 99, 235, 0.35);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    padding: 0;
}

.btn-ai:hover {
    background-color: var(--accent-strong);
    transform: translateY(-5px);
}

.btn-ai .btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0);
}

.btn-ai .btn-icon i {
    font-size: 14px;
}

.btn-subtext {
    display: block;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.2;
    margin-top: 2px;
}

.btn-contact {
    background-color: var(--warning-soft);
    color: var(--text-strong);
    border: 1px solid rgba(255, 111, 8, 0.2);
}

.btn-contact:hover {
    background-color: var(--warning);
}

/* --- TOOLS SECTION STYLES --- */

#tools {
    padding: 60px 0;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar) transparent;
}

#tools::-webkit-scrollbar {
    height: 5px;
}

#tools::-webkit-scrollbar-track {
    background: transparent;
}

#tools::-webkit-scrollbar-thumb {
    background: var(--scrollbar);
    border-radius: 999px;
}

#tools::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-hover);
}

.section-padding h1 {
    font-size: 77px;
    font-weight: bold;
    color: var(--text-strong);
    line-height: 1.1;
    margin-bottom: 11px;
}

.gradient-text {
    background: linear-gradient(to right, var(--gradient-dark), var(--gradient-mid), var(--gradient-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* පේළියට 2*3 layout එකක් සහ horizontal scrolling */
.tools-grid {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(240px, 1fr);
    grid-template-rows: repeat(2, auto);
    gap: 25px;
    width: max-content;
    min-width: 100%;
    padding-bottom: 6px;
}

/* කොටුව කුඩා කර නිවැරදි හැඩය දීම (Tool Card) */
.tool-card {
    background-color: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}

/* Icon එක වටා ඇති රවුම් කොටස (Icon Wrapper) */
.icon-wrapper {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

/* Ensure <i> icons inherit the wrapper color for good contrast */
.icon-wrapper i { color: inherit; font-size: 28px; }

/* Tool එකේ නම */
.tool-card h3 {
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.5px;
    margin: 0;
}


/* --- 🎨 BRAND COLORS & HOVER GLOWS --- */

/* 1 & 2. React & React Native (Cyan Glow) */
.tool-card.react .icon-wrapper,
.tool-card.react-native .icon-wrapper {
    background: rgba(97, 218, 251, 0.1);
    color: #61dafb;
}

.tool-card.react:hover,
.tool-card.react-native:hover {
    border-color: #61dafb;
    box-shadow: 0 0 20px rgba(97, 218, 251, 0.25);
    transform: translateY(-8px);
}

/* 3. Java (Red/Orange Glow) */
.tool-card.java .icon-wrapper {
    background: rgba(241, 60, 22, 0.1);
    color: #e44f26;
}

.tool-card.java:hover {
    border-color: #e44f26;
    box-shadow: 0 0 20px rgba(241, 60, 22, 0.25);
    transform: translateY(-8px);
}

/* 4. Spring Boot (Green Glow) */
.tool-card.spring .icon-wrapper {
    background: rgba(109, 179, 63, 0.1);
    color: #6db33f;
}

.tool-card.spring:hover {
    border-color: #6db33f;
    box-shadow: 0 0 20px rgba(109, 179, 63, 0.25);
    transform: translateY(-8px);
}

/* 5. Git / GitHub (Orange Glow) */
.tool-card.git .icon-wrapper {
    background: rgba(240, 80, 51, 0.1);
}

/* Additional brand colors and generic styles for newly added cards */
.tool-card.python .icon-wrapper {
    background: rgba(53, 114, 165, 0.08);
    color: #3776ab;
}

.tool-card.ml .icon-wrapper {
    background: rgba(88, 101, 242, 0.08);
    color: #5865f2;
}

.tool-card.dl .icon-wrapper {
    background: rgba(124, 58, 237, 0.08);
    color: #7c3aed;
}

.tool-card.gen-ai .icon-wrapper {
    background: rgba(99, 102, 241, 0.06);
    color: #6366f1;
}

.tool-card.ai-agents .icon-wrapper {
    background: rgba(14, 165, 233, 0.06);
    color: #0ea5e9;
}

.tool-card.rag .icon-wrapper {
    background: rgba(236, 72, 153, 0.06);
    color: #ec4899;
}

.tool-card.mcp .icon-wrapper {
    background: rgba(34, 197, 94, 0.06);
    color: #22c55e;
}

.tool-card.ai-automation .icon-wrapper {
    background: rgba(249, 115, 22, 0.06);
    color: #f97316;
}

.tool-card.typescript .icon-wrapper {
    background: rgba(49, 96, 193, 0.06);
    color: #3171c1;
}

.tool-card.nextjs .icon-wrapper {
    background: rgba(75, 85, 99, 0.06);
    color: #4b5563;
}

.tool-card.nodejs .icon-wrapper {
    background: rgba(72, 187, 120, 0.06);
    color: #68a063;
}

.tool-card.express .icon-wrapper {
    background: rgba(148, 163, 184, 0.04);
    color: #94a3b8;
}

.tool-card.fastapi .icon-wrapper {
    background: rgba(34, 211, 238, 0.06);
    color: #22d3ee;
}

.tool-card.mysql .icon-wrapper,
.tool-card.postgres .icon-wrapper,
.tool-card.mongodb .icon-wrapper {
    background: rgba(255, 255, 255, 0.02);
    color: #f59e0b;
}

.tool-card.virtual-servers .icon-wrapper {
    background: rgba(99, 102, 241, 0.04);
    color: #6366f1;
}

.tool-card.cloud-db .icon-wrapper {
    background: rgba(14, 165, 233, 0.04);
    color: #0ea5e9;
}

.tool-card.storage .icon-wrapper {
    background: rgba(234, 88, 12, 0.04);
    color: #ea580c;
}

.tool-card.load-balancers .icon-wrapper {
    background: rgba(34, 197, 94, 0.04);
    color: #22c55e;
}

.tool-card.serverless .icon-wrapper {
    background: rgba(99, 102, 241, 0.04);
    color: #6366f1;
}

.tool-card.docker .icon-wrapper {
    background: rgba(59, 130, 246, 0.08);
    color: #2496ed;
}

.tool-card.kubernetes .icon-wrapper {
    background: rgba(96, 165, 250, 0.06);
    color: #60a5fa;
}

.tool-card.jenkins .icon-wrapper {
    background: rgba(239, 68, 68, 0.04);
    color: #ef4444;
}

.tool-card.ghactions .icon-wrapper {
    background: rgba(51, 65, 85, 0.04);
    color: #334155;
}

.tool-card.cicd .icon-wrapper {
    background: rgba(234, 88, 12, 0.04);
    color: #ea580c;
}

.tool-card.kotlin .icon-wrapper {
    background: rgba(249, 115, 22, 0.06);
    color: #f97316;
}

.tool-card.flutter .icon-wrapper {
    background: rgba(96, 165, 250, 0.06);
    color: #60a5fa;
}

.tool-card.esp32 .icon-wrapper,
.tool-card.rpi5 .icon-wrapper,
.tool-card.arduino .icon-wrapper {
    background: rgba(14, 165, 233, 0.04);
    color: #0ea5e9;
}

.tool-card.jetson .icon-wrapper {
    background: rgba(124, 58, 237, 0.04);
    color: #7c3aed;
}

.tool-card.sensors .icon-wrapper {
    background: rgba(34, 197, 94, 0.04);
    color: #22c55e;
}

.tool-card.mqtt .icon-wrapper {
    background: rgba(14, 165, 233, 0.04);
    color: #0ea5e9;
}

.tool-card.http .icon-wrapper {
    background: rgba(99, 102, 241, 0.04);
    color: #6366f1;
}

.tool-card.websocket .icon-wrapper {
    background: rgba(14, 165, 233, 0.04);
    color: #0ea5e9;
}

.tool-card.ble .icon-wrapper {
    background: rgba(99, 102, 241, 0.04);
    color: #6366f1;
}

.tool-card.lora .icon-wrapper {
    background: rgba(234, 88, 12, 0.04);
    color: #ea580c;
}

.tool-card.opencv .icon-wrapper {
    background: rgba(148, 163, 184, 0.04);
    color: #94a3b8;
}

.tool-card.yolo .icon-wrapper {
    background: rgba(236, 72, 153, 0.04);
    color: #ec4899;
}

.tool-card.obj-detect .icon-wrapper {
    background: rgba(236, 72, 153, 0.04);
    color: #ec4899;
}

.tool-card.face-rec .icon-wrapper {
    background: rgba(99, 102, 241, 0.04);
    color: #6366f1;
}

.tool-card.ethical-hacking .icon-wrapper {
    background: rgba(239, 68, 68, 0.04);
    color: #ef4444;
}

.tool-card.netsec .icon-wrapper {
    background: rgba(17, 24, 39, 0.04);
    color: #cbd5e1; /* make icon light so it's visible on dark bg */
}

.tool-card.apisec .icon-wrapper {
    background: rgba(34, 197, 94, 0.04);
    color: #22c55e;
}

.tool-card.owasp .icon-wrapper {
    background: rgba(234, 88, 12, 0.04);
    color: #ea580c;
}

.tool-card.wireshark .icon-wrapper {
    background: rgba(99, 102, 241, 0.04);
    color: #6366f1;
}

.tool-card.burpsuite .icon-wrapper {
    background: rgba(239, 68, 68, 0.04);
    color: #ef4444;
}

.tool-card.kali .icon-wrapper {
    background: rgba(17, 24, 39, 0.04);
    color: #cbd5e1;
}

.tool-card.sql-adv .icon-wrapper {
    background: rgba(234, 88, 12, 0.04);
    color: #ea580c;
}

.tool-card.data-warehouses .icon-wrapper {
    background: rgba(99, 102, 241, 0.04);
    color: #6366f1;
}

.tool-card.spark .icon-wrapper {
    background: rgba(249, 115, 22, 0.04);
    color: #f97316;
}

.tool-card.kafka .icon-wrapper {
    background: rgba(234, 88, 12, 0.04);
    color: #ea580c;
}

.tool-card.bigdata .icon-wrapper {
    background: rgba(17, 24, 39, 0.04);
    color: #cbd5e1;
}

.tool-card.analytics .icon-wrapper {
    background: rgba(59, 130, 246, 0.04);
    color: #3b82f6;
}

.tool-card.bi .icon-wrapper {
    background: rgba(59, 130, 246, 0.04);
    color: #3b82f6;
}

.tool-card.unity .icon-wrapper {
    background: rgba(74, 222, 128, 0.04);
    color: #4ade80;
}

.tool-card.csharp .icon-wrapper {
    background: rgba(99, 102, 241, 0.04);
    color: #6366f1;
}

.tool-card.arkit .icon-wrapper,
.tool-card.arcore .icon-wrapper {
    background: rgba(59, 130, 246, 0.04);
    color: #3b82f6;
}

.tool-card.solidity .icon-wrapper {
    background: rgba(124, 58, 237, 0.04);
    color: #7c3aed;
}

.tool-card.smartcontracts .icon-wrapper {
    background: rgba(124, 58, 237, 0.04);
    color: #7c3aed;
}

.tool-card.web3 .icon-wrapper {
    background: rgba(99, 102, 241, 0.04);
    color: #6366f1;
}

.tool-card.sysdesign .icon-wrapper {
    background: rgba(59, 130, 246, 0.04);
    color: #3b82f6;
}

.tool-card.design-patterns .icon-wrapper {
    background: rgba(148, 163, 184, 0.04);
    color: #94a3b8;
}

.tool-card.microservices .icon-wrapper {
    background: rgba(99, 102, 241, 0.04);
    color: #6366f1;
}

.tool-card.clean-arch .icon-wrapper {
    background: rgba(148, 163, 184, 0.04);
    color: #94a3b8;
}

.tool-card.testing .icon-wrapper {
    background: rgba(59, 130, 246, 0.04);
    color: #3b82f6;
}

.tool-card.agile .icon-wrapper {
    background: rgba(34, 197, 94, 0.04);
    color: #22c55e;
}

/* Responsive adjustments: collapse to vertical list on small screens */
@media (max-width: 900px) {
    .tools-grid {
        grid-auto-flow: row;
        grid-auto-columns: 1fr;
        grid-template-rows: none;
        width: 100%;
    }

    .tool-card {
        padding: 20px;
    }
}

.tool-card.git:hover {
    border-color: #f05033;
    box-shadow: 0 0 20px rgba(240, 80, 51, 0.25);
    transform: translateY(-8px);
}

/* 6. IntelliJ IDEA (Blue Glow) */
.tool-card.intellij .icon-wrapper {
    background: rgba(14, 114, 237, 0.1);
    color: #0e72ed;
}

.tool-card.intellij:hover {
    border-color: #0e72ed;
    box-shadow: 0 0 20px rgba(14, 114, 237, 0.25);
    transform: translateY(-8px);
}

/* 7. HTML5 (Orange Glow) */
.tool-card.html .icon-wrapper {
    background: rgba(227, 76, 38, 0.1);
    color: #e34c26;
}

.tool-card.html:hover {
    border-color: #e34c26;
    box-shadow: 0 0 20px rgba(227, 76, 38, 0.25);
    transform: translateY(-8px);
}

/* 8. CSS3 (Blue Glow) */
.tool-card.css .icon-wrapper {
    background: rgba(38, 77, 228, 0.1);
    color: #264de4;
}

.tool-card.css:hover {
    border-color: #264de4;
    box-shadow: 0 0 20px rgba(38, 77, 228, 0.25);
    transform: translateY(-8px);
}

/* 9. JavaScript (Yellow Glow) */
.tool-card.js .icon-wrapper {
    background: rgba(247, 223, 30, 0.1);
    color: #f7df1e;
}

.tool-card.js:hover {
    border-color: #f7df1e;
    box-shadow: 0 0 20px rgba(247, 223, 30, 0.25);
    transform: translateY(-8px);
}

/* 10. PHP (Purple/Indigo Glow) 👈 අලුතින්ම එකතු කරන ලදී */
.tool-card.php .icon-wrapper {
    background: rgba(119, 123, 179, 0.15);
    color: #777bb3;
}

.tool-card.php:hover {
    border-color: #777bb3;
    box-shadow: 0 0 20px rgba(119, 123, 179, 0.3);
    transform: translateY(-8px);
}

/* Consistent hover rules for all tool cards (matching their icon accents) */
.tool-card.python:hover {
    border-color: #3776ab;
    box-shadow: 0 0 20px rgba(55, 118, 171, 0.25);
    transform: translateY(-8px);
}

.tool-card.ml:hover {
    border-color: #5865f2;
    box-shadow: 0 0 20px rgba(88, 101, 242, 0.25);
    transform: translateY(-8px);
}

.tool-card.dl:hover {
    border-color: #7c3aed;
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.25);
    transform: translateY(-8px);
}

.tool-card.gen-ai:hover {
    border-color: #6366f1;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.25);
    transform: translateY(-8px);
}

.tool-card.ai-agents:hover {
    border-color: #0ea5e9;
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.25);
    transform: translateY(-8px);
}

.tool-card.rag:hover {
    border-color: #ec4899;
    box-shadow: 0 0 20px rgba(236, 72, 153, 0.25);
    transform: translateY(-8px);
}

.tool-card.mcp:hover {
    border-color: #22c55e;
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.25);
    transform: translateY(-8px);
}

.tool-card.ai-automation:hover {
    border-color: #f97316;
    box-shadow: 0 0 20px rgba(249, 115, 22, 0.25);
    transform: translateY(-8px);
}

.tool-card.typescript:hover {
    border-color: #3171c1;
    box-shadow: 0 0 20px rgba(49, 96, 193, 0.25);
    transform: translateY(-8px);
}

.tool-card.nextjs:hover {
    border-color: #4b5563;
    box-shadow: 0 0 20px rgba(75, 85, 99, 0.18);
    transform: translateY(-8px);
}

.tool-card.nodejs:hover {
    border-color: #68a063;
    box-shadow: 0 0 20px rgba(104, 160, 99, 0.22);
    transform: translateY(-8px);
}

.tool-card.express:hover {
    border-color: #94a3b8;
    box-shadow: 0 0 20px rgba(148, 163, 184, 0.14);
    transform: translateY(-8px);
}

.tool-card.fastapi:hover {
    border-color: #22d3ee;
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.25);
    transform: translateY(-8px);
}

.tool-card.mysql:hover,
.tool-card.postgres:hover,
.tool-card.mongodb:hover {
    border-color: #f59e0b;
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.22);
    transform: translateY(-8px);
}

.tool-card.virtual-servers:hover {
    border-color: #6366f1;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.18);
    transform: translateY(-8px);
}

.tool-card.cloud-db:hover {
    border-color: #0ea5e9;
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.18);
    transform: translateY(-8px);
}

.tool-card.storage:hover {
    border-color: #ea580c;
    box-shadow: 0 0 20px rgba(234, 88, 12, 0.18);
    transform: translateY(-8px);
}

.tool-card.load-balancers:hover {
    border-color: #22c55e;
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.18);
    transform: translateY(-8px);
}

.tool-card.serverless:hover {
    border-color: #6366f1;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.14);
    transform: translateY(-8px);
}

.tool-card.docker:hover {
    border-color: #2496ed;
    box-shadow: 0 0 20px rgba(36, 150, 237, 0.25);
    transform: translateY(-8px);
}

.tool-card.kubernetes:hover {
    border-color: #60a5fa;
    box-shadow: 0 0 20px rgba(96, 165, 250, 0.22);
    transform: translateY(-8px);
}

.tool-card.jenkins:hover {
    border-color: #ef4444;
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.22);
    transform: translateY(-8px);
}

.tool-card.ghactions:hover {
    border-color: #334155;
    box-shadow: 0 0 20px rgba(51, 65, 85, 0.16);
    transform: translateY(-8px);
}

.tool-card.cicd:hover {
    border-color: #ea580c;
    box-shadow: 0 0 20px rgba(234, 88, 12, 0.18);
    transform: translateY(-8px);
}

.tool-card.kotlin:hover {
    border-color: #f97316;
    box-shadow: 0 0 20px rgba(249, 115, 22, 0.22);
    transform: translateY(-8px);
}

.tool-card.flutter:hover {
    border-color: #60a5fa;
    box-shadow: 0 0 20px rgba(96, 165, 250, 0.22);
    transform: translateY(-8px);
}

.tool-card.esp32:hover,
.tool-card.rpi5:hover,
.tool-card.arduino:hover {
    border-color: #0ea5e9;
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.18);
    transform: translateY(-8px);
}

.tool-card.jetson:hover {
    border-color: #7c3aed;
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.22);
    transform: translateY(-8px);
}

.tool-card.sensors:hover {
    border-color: #22c55e;
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.18);
    transform: translateY(-8px);
}

.tool-card.mqtt:hover {
    border-color: #0ea5e9;
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.18);
    transform: translateY(-8px);
}

.tool-card.http:hover {
    border-color: #6366f1;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.14);
    transform: translateY(-8px);
}

.tool-card.websocket:hover {
    border-color: #0ea5e9;
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.18);
    transform: translateY(-8px);
}

.tool-card.ble:hover {
    border-color: #6366f1;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.14);
    transform: translateY(-8px);
}

.tool-card.lora:hover {
    border-color: #ea580c;
    box-shadow: 0 0 20px rgba(234, 88, 12, 0.18);
    transform: translateY(-8px);
}

.tool-card.opencv:hover {
    border-color: #94a3b8;
    box-shadow: 0 0 20px rgba(148, 163, 184, 0.12);
    transform: translateY(-8px);
}

.tool-card.yolo:hover,
.tool-card.obj-detect:hover {
    border-color: #ec4899;
    box-shadow: 0 0 20px rgba(236, 72, 153, 0.22);
    transform: translateY(-8px);
}

.tool-card.face-rec:hover {
    border-color: #6366f1;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.14);
    transform: translateY(-8px);
}

.tool-card.ethical-hacking:hover {
    border-color: #ef4444;
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.22);
    transform: translateY(-8px);
}

.tool-card.netsec:hover {
    border-color: #94a3b8;
    box-shadow: 0 0 20px rgba(148,163,184,0.16);
    transform: translateY(-8px);
}

.tool-card.apisec:hover {
    border-color: #22c55e;
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.18);
    transform: translateY(-8px);
}

.tool-card.owasp:hover {
    border-color: #ea580c;
    box-shadow: 0 0 20px rgba(234, 88, 12, 0.18);
    transform: translateY(-8px);
}

.tool-card.wireshark:hover {
    border-color: #6366f1;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.14);
    transform: translateY(-8px);
}

.tool-card.burpsuite:hover {
    border-color: #ef4444;
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.22);
    transform: translateY(-8px);
}

.tool-card.kali:hover {
    border-color: #111827;
    box-shadow: 0 0 20px rgba(17, 24, 39, 0.2);
    transform: translateY(-8px);
}

.tool-card.sql-adv:hover {
    border-color: #ea580c;
    box-shadow: 0 0 20px rgba(234, 88, 12, 0.18);
    transform: translateY(-8px);
}

.tool-card.data-warehouses:hover {
    border-color: #6366f1;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.14);
    transform: translateY(-8px);
}

.tool-card.spark:hover {
    border-color: #f97316;
    box-shadow: 0 0 20px rgba(249, 115, 22, 0.22);
    transform: translateY(-8px);
}

.tool-card.kafka:hover {
    border-color: #ea580c;
    box-shadow: 0 0 20px rgba(234, 88, 12, 0.18);
    transform: translateY(-8px);
}

.tool-card.bigdata:hover {
    border-color: #111827;
    box-shadow: 0 0 20px rgba(17, 24, 39, 0.2);
    transform: translateY(-8px);
}

.tool-card.analytics:hover,
.tool-card.bi:hover {
    border-color: #3b82f6;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.22);
    transform: translateY(-8px);
}

.tool-card.unity:hover {
    border-color: #4ade80;
    box-shadow: 0 0 20px rgba(74, 222, 128, 0.18);
    transform: translateY(-8px);
}

.tool-card.csharp:hover {
    border-color: #6366f1;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.14);
    transform: translateY(-8px);
}

.tool-card.arkit:hover,
.tool-card.arcore:hover {
    border-color: #3b82f6;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.18);
    transform: translateY(-8px);
}

.tool-card.solidity:hover,
.tool-card.smartcontracts:hover {
    border-color: #7c3aed;
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.22);
    transform: translateY(-8px);
}

.tool-card.web3:hover {
    border-color: #6366f1;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.14);
    transform: translateY(-8px);
}

.tool-card.sysdesign:hover {
    border-color: #3b82f6;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.18);
    transform: translateY(-8px);
}

.tool-card.design-patterns:hover {
    border-color: #94a3b8;
    box-shadow: 0 0 20px rgba(148, 163, 184, 0.12);
    transform: translateY(-8px);
}

.tool-card.microservices:hover {
    border-color: #6366f1;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.14);
    transform: translateY(-8px);
}

.tool-card.clean-arch:hover {
    border-color: #94a3b8;
    box-shadow: 0 0 20px rgba(148, 163, 184, 0.12);
    transform: translateY(-8px);
}

.tool-card.testing:hover {
    border-color: #3b82f6;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.18);
    transform: translateY(-8px);
}

.tool-card.agile:hover {
    border-color: #22c55e;
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.18);
    transform: translateY(-8px);
}

/* Tool card interactive enhancements: overlay sweep + icon lift */
.tool-card {
    position: relative;
    overflow: hidden;
}

.tool-card::after {
    content: "";
    position: absolute;
    left: -30%;
    top: -10%;
    width: 160%;
    height: 120%;
    background: linear-gradient(120deg, rgba(59, 130, 246, 0.06), rgba(99, 102, 241, 0.04), rgba(236, 72, 153, 0.04));
    transform: translateX(-120%) rotate(-4deg);
    opacity: 0;
    transition: transform 0.6s cubic-bezier(.2, .9, .2, 1), opacity 0.4s ease;
    pointer-events: none;
    z-index: 0;
}

.tool-card:hover::after {
    transform: translateX(0) rotate(-4deg);
    opacity: 1;
}

/* lift icon and add subtle glow on hover */
.tool-card .icon-wrapper {
    position: relative;
    z-index: 2;
    transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.tool-card:hover .icon-wrapper {
    transform: translateY(-6px) scale(1.06);
    box-shadow: var(--hover-glow);
}

/* make text and border sit above overlay */
.tool-card h3 {
    position: relative;
    z-index: 2;
}

/* border wrapper accent for all tool cards (similar to React card's hover) */
.tool-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 2px;
    /* creates a thin outline area */
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.06), rgba(99, 102, 241, 0.04));
    opacity: 0;
    transform: scale(0.98);
    transition: opacity 0.28s ease, transform 0.28s ease;
    z-index: 1;
    /* sits between overlay (::after at 0) and content (z-index:2) */
    pointer-events: none;
}

.tool-card:hover::before {
    opacity: 1;
    transform: scale(1);
}


/* Universal wrapper border / ring on hover for all tool cards */
.tool-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 2px;
    /* creates inner spacing for the ring */
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
    transform: scale(0.98);
    opacity: 0;
    transition: transform 0.28s cubic-bezier(.2, .9, .2, 1), opacity 0.28s ease, box-shadow 0.28s ease;
    pointer-events: none;
    z-index: 1;
    mix-blend-mode: screen;
}

.tool-card:hover::before {
    transform: scale(1.02);
    opacity: 1;
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.06);
}



/* --- 📱 RESPONSIVE DESIGN (MOBILES & TABLETS) --- */

@media (max-width: 992px) {
    .tools-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        /* Tablets වලදී පේළියට 2යි */
    }
}

@media (max-width: 576px) {
    .tools-grid {
        grid-template-columns: repeat(1, minmax(0, 1fr));
        /* Phones වලදී පේළියට 1යි */
        gap: 15px;
    }

    .tool-card {
        padding: 20px;
    }
}

/* --- PROJECTS SECTION STYLES --- */

#projects {
    padding: 60px 0;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar) transparent;
}

#projects::-webkit-scrollbar {
    height: 5px;
}

#projects::-webkit-scrollbar-track {
    background: transparent;
}

#projects::-webkit-scrollbar-thumb {
    background: var(--scrollbar);
    border-radius: 999px;
}

#projects::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-hover);
}

#projects h2 {
    color: var(--text-strong);
    font-size: 2rem;
    margin-bottom: 40px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.projects-grid {
    display: grid;
    grid-auto-flow: column;
    grid-template-rows: repeat(2, auto);
    grid-auto-columns: minmax(320px, 1fr);
    gap: 25px;
    width: 100%;
    min-width: 100%;
    padding-bottom: 6px;
}

.project-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 25px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
}

.project-card:hover {
    border-color: #00f2fe;
    box-shadow: 0 0 25px rgba(0, 242, 254, 0.2);
    transform: translateY(-8px);
}

.project-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(0, 242, 254, 0.1);
    color: #00f2fe;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 15px;
}

.project-card h3 {
    color: var(--text-strong);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.project-card p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.project-tags {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
    /* ලින්ක්ස් වලට ඉඩ තැබීමට bottom margin එකක් දැමීම */
}

.project-tags span {
    background: var(--surface-soft);
    color: var(--text-secondary);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ----------------------------------------------------
   🔗 LIVE DEMO & GITHUB LINKS STYLES
------------------------------------------------------- */
.project-links {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    width: 100%;
    margin-top: auto;
    /* කාඩ් එකේ හැමතිස්සෙම යටටම තල්ලු කිරීම */
    padding-top: 15px;
    border-top: 1px solid rgba(30, 41, 59, 0.5);
    /* ලස්සන වෙන් කරන ඉරක් */
}

/* Live Demo Link බටන් එකක් වගේ හැඩ කිරීම */
.live-link {
    background: linear-gradient(135deg, var(--accent) 0%, #4facfe 100%);
    color: var(--surface) !important;
    font-size: 13px;
    font-weight: 600;
    padding: 10px 18px;
    border-radius: 10px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-grow: 1;
    min-width: 130px;
    justify-content: center;
    transition: all 0.25s ease;
}

.live-link.live-store {
    background: linear-gradient(135deg, var(--secondary) 0%, #14b8a6 100%);
}

.live-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2);
    opacity: 0.95;
}

/* GitHub Icon Link එක වටකුරු කොටුවක් කිරීම */
.git-link {
    background: var(--surface-strong);
    color: var(--text-strong) !important;
    width: 35px;
    height: 35px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.git-link:hover {
    background: #24292e;
    /* GitHub Brand Color */
    color: #00f2fe !important;
    border-color: #00f2fe;
    transform: translateY(-2px);
}

/* --- CONTACT SECTION STYLES --- */

#contact {
    padding: 1px 0;
    max-width: 100%;
    /* 👈 Form එක දෙපැත්තට ඕනෑවට වඩා පළල් වීම වැළැක්වීමට */
    margin: 0;
}

#contact h2 {
    color: var(--text-strong);
    font-size: 2rem;
    margin-bottom: 35px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: left;
}

#contact h2 i {
    margin-right: 12px;
    color: var(--accent);
}

.contact-form {
    background-color: rgba(255, 255, 255, 0);
    border-radius: 20px;
    padding-top: 60px;
}

/* Fields පේළියට 2 බැගින් තබන Grid එක */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.message-group {
    margin-bottom: 25px;
}

/* Form ලේබල් */
.form-group label {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 📥 Text Fields කුඩා කර ලස්සන කිරීම (Inputs & Textarea) */
.form-group input,
.form-group textarea {
    background-color: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-strong);
    padding: 10px 14px;
    font-size: 14px;
    transition: all 0.3s ease;
    width: 100%;
}

/* Text Field එකක් උඩ ක්ලික් කරපුහම (Focus) වෙනස් වන හැටි */
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-strong);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.24);
}

/* Message බොක්ස් එකේ උස සකස් කිරීම */
.form-group textarea {
    resize: vertical;
    min-height: 180px;
}


/* 🎯 3. SUBMIT BUTTON එක කුඩා කර හැඩ ගැන්වීම */
.form-submit-container {
    display: flex;
    justify-content: center;
    /* 👈 බටන් එක මැදට (Center) කිරීමට (වම් පැත්තට ඕනෙ නම් left දාන්න) */
    width: 100%;
}

.btn-submit {
    width: 100%;
    max-width: 540px;
    background: linear-gradient(135deg, var(--accent-strong) 0%, #1d4ed8 100%);
    color: var(--text-strong);
    font-size: 14px;
    font-weight: 600;
    padding: 14px 24px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.22);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.4);
    opacity: 0.95;
}

.btn-submit:active {
    transform: translateY(0);
}


/* --- 📱 RESPONSIVE DESIGN (MOBILE PHONES) --- */
@media (max-width: 576px) {
    .form-grid {
        grid-template-columns: 1fr;
        /* Phone එකේදී fields එක යටට එක වැටේ */
        gap: 15px;
    }

    .contact-form {
        padding: 20px;
    }

    .btn-submit {
        width: 100%;
        /* Phone එකේදී විතරක් බටන් එක full width වේ */
    }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer {
    text-align: center;
    padding: 40px 0;
    color: var(--text-muted);
    font-size: 12px;
    border-top: 1px solid var(--border);
}

/* ai btn  */



.ai-toggle {
    width: 60px;
    height: 60px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, #598ad4, #1d4ed8);
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    z-index: 9999;
    position: fixed;
    bottom: 20px;
    right: 20px;
    box-shadow: 0 15px 35px rgba(89, 138, 212, .4);
    transition: .3s;
}

.ai-toggle:hover {
    transform: translateY(-5px);
}



.chat-box {
    position: fixed;
    bottom: 110px;
    right: 25px;
    width: 400px;
    height: 650px;
    background: rgba(255, 255, 255, .95);
    backdrop-filter: blur(20px);
    border-radius: 25px;
    overflow: hidden;
    display: none;
    flex-direction: column;
    box-shadow: 0 20px 50px rgba(0, 0, 0, .15);
    z-index: 9998;
}

.chat-header {
    background: linear-gradient(135deg, #598ad4, #1d4ed8);
    padding: 20px;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.profile {
    display: flex;
    align-items: center;
    gap: 10px;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: white;
    display: flex;
    justify-content: center;
    align-items: center;
    color: black;
}

.online {
    width: 8px;
    height: 8px;
    background: #00ff84;
    border-radius: 50%;
    display: inline-block;
    margin-right: 5px;
}

.close {
    font-size: 24px;
    cursor: pointer;
}

.messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: #f7f9fc;
}

.bot,
.user {
    padding: 12px 15px;
    border-radius: 15px;
    margin-bottom: 12px;
    max-width: 85%;
    line-height: 1.5;
    color: #333;
}

.bot {
    background: #eef3ff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .05);
}

.user {
    background: #598ad4;
    color: rgb(255, 255, 255);
    margin-left: auto;
}

.suggestions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 10px;
    background: white;
}

.suggestions button {
    padding: 10px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    background: #eef3ff;
}

.footer {
    display: flex;
    gap: 10px;
    padding: 15px;
    background: white;
}

.footer input {
    flex: 1;
    padding: 12px;
    border: none;
    outline: none;
    background: #f2f4f7;
    border-radius: 12px;
}

.send {
    width: 50px;
    border: none;
    border-radius: 12px;
    background: #598ad4;
    color: rgb(0, 0, 0);
    cursor: pointer;
}

.typing {
    font-style: italic;
    color: #777;
    margin-bottom: 10px;
}

@media(max-width:768px) {

    .chat-box {
        width: 95%;
        height: 80vh;
        right: 2.5%;
    }

}

@media (min-width: 0px) and (max-width: 767px) {
    /* Mobile styles: flex column layout, full width elements */
    .nav-container { flex-direction: column; }
    .hero-content h1 { font-size: 46px; text-align: center; }
    .stats-row { flex-direction: column; }
    .btn { width: 100%; max-width: 360px; }
}

@media (min-width: 768px) and (max-width: 1023px) {
    /* Tablet styles: two column layout, adjusted sizing */
    .main-layout { flex-direction: row; gap: 24px; }
    .sidebar { width: 35%; }
    .content-area { width: 65%; }
    .hero-content h1 { font-size: 56px; }
}

@media (min-width: 1024px) {
    /* Desktop styles: full two column with sticky sidebar */
    .main-layout { flex-direction: row; }
    .sidebar { width: 30%; position: sticky; top: 120px; }
    .content-area { width: 70%; }
}

/* --- TOOLS GRID RESPONSIVE --- */
@media (max-width: 1023px) {
    .tools-grid {
        grid-auto-flow: column;
        grid-auto-columns: minmax(240px, 1fr);
        grid-template-rows: repeat(2, auto);
        width: max-content;
        min-width: 100%;
        gap: 25px;
    }
}

@media (max-width: 767px) {
    .tools-grid {
        grid-auto-flow: column;
        grid-auto-columns: minmax(220px, 1fr);
        grid-template-rows: repeat(2, auto);
        width: max-content;
        min-width: 100%;
        gap: 20px;
    }
}

/* --- ACTION BUTTONS MOBILE --- */
@media (max-width: 768px) {
    .btn-group1,
    .btn-group2 {
        position: static;
        width: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 12px;
        padding: 6px 0;
        bottom: auto;
        right: auto;
        left: auto;
    }
    .btn-group1 {
        justify-content: center;
    }
    .btn-group2 {
        justify-content: center;
        order: -1;
    }
    .btn-group1 .btn,
    .btn-group2 .btn {
        width: 100%;
        max-width: none;
        padding: 12px 14px;
    }
}

/* --- CHAT BOX MOBILE --- */
@media (max-width: 768px) {
    .chat-box {
        width: 95%;
        height: 80vh;
        right: 2.5%;
    }
    .suggestions {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .chat-box {
        width: 100%;
        right: 0;
        bottom: 0;
        border-radius: 20px 20px 0 0;
    }
    .suggestions {
        grid-template-columns: 1fr;
    }
}

/* --- SECTION HEADING MOBILE --- */
@media (max-width: 1023px) {
    .section-padding h1 {
        font-size: 56px;
        line-height: 1.05;
    }
    .hero-dis {
        margin-bottom: 30px;
    }
}