/* ============================================================
   Taiyari Pro - Premium Landing Page Stylesheet
   ============================================================ */

/* Design Tokens & Reset */
:root {
    --bg-color: #070A13;
    --bg-surface: #0E1325;
    --bg-card: rgba(18, 25, 47, 0.4);
    --border-color: rgba(255, 255, 255, 0.06);
    --border-color-glow: rgba(16, 185, 129, 0.15);
    
    --text-primary: #F3F4F6;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    
    --color-primary: #10B981; /* Emerald */
    --color-primary-glow: rgba(16, 185, 129, 0.3);
    --color-secondary: #6366F1; /* Indigo */
    --color-secondary-glow: rgba(99, 102, 241, 0.3);
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-color);
    overflow-x: hidden; /* Prevent any element from causing horizontal scroll */
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative; /* Anchor for absolute glow-container */
}

/* Background Glow Container to prevent horizontal page overflow and pinch zoom issues */
.glow-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: -1;
}

/* Background Glow Gradients */
.glow-bg {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.15;
}

.glow-primary {
    background: var(--color-primary);
    top: -200px;
    left: -200px;
}

.glow-secondary {
    background: var(--color-secondary);
    top: 40%;
    right: -100px; /* was -200px — clamped to prevent horizontal overflow on mobile */
}

.glow-bottom {
    background: var(--color-primary);
    bottom: -100px;
    left: 20%;
}

/* Common Layout Components */
.section {
    padding: 100px 24px;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-tag {
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    display: inline-block;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 38px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #FFFFFF 0%, #D1D5DB 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Glassmorphism utility */
.glass {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-smooth);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #059669 100%);
    color: #FFFFFF;
    box-shadow: 0 4px 20px var(--color-primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(16, 185, 129, 0.45);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn svg {
    margin-right: 10px;
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Navigation Bar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
    overflow: hidden; /* prevent navbar items from causing horizontal scroll */
}

.navbar.scrolled {
    background: rgba(7, 10, 19, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: #FFFFFF;
}

.logo-img {
    border-radius: 8px;
    margin-right: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-span {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-item {
    margin-left: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--color-primary);
}

/* Install App button in navbar — desktop sizing */
.btn-nav-install {
    padding: 8px 18px;
    font-size: 13px;
    border-radius: 8px;
    white-space: nowrap;
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 160px 24px 100px 24px;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
}

.hero-text h1 {
    font-family: var(--font-heading);
    font-size: 54px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #FFFFFF 0%, #9CA3AF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 600px;
}

.cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 40px;
}

/* App Mockup Display */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.mockup-container {
    width: 280px;
    height: 560px;
    border-radius: 40px;
    border: 12px solid #1E293B;
    background: #000000;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8),
                0 0 40px var(--color-primary-glow);
    position: relative;
    overflow: hidden;
}

.mockup-notch {
    width: 120px;
    height: 24px;
    background: #1E293B;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 16px;
    z-index: 10;
}

.mockup-screen {
    width: 100%;
    height: 100%;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(180deg, #0F172A 0%, #070A13 100%);
}

.mockup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
}

.mockup-logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 16px;
    color: #FFFFFF;
}

.mockup-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.mockup-btn {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    background: var(--color-primary);
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 600;
    margin-top: 20px;
}

.mockup-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 16px;
    width: 100%;
    margin-bottom: 12px;
}

.mockup-card-title {
    font-size: 12px;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 6px;
}

.mockup-card-desc {
    font-size: 10px;
    color: var(--text-secondary);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    border-radius: 20px;
    padding: 40px;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-color-glow);
    box-shadow: 0 10px 30px -10px var(--color-primary-glow);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 24px;
    border: 1px solid var(--border-color-glow);
}

.feature-card:nth-child(2) .feature-icon {
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-secondary);
    border-color: var(--color-secondary-glow);
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Roadmap Section */
.roadmap-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    opacity: 0.3;
}

.roadmap-item {
    position: relative;
    width: 50%;
    padding: 30px 40px;
    box-sizing: border-box;
}

.roadmap-item::before {
    content: '';
    position: absolute;
    top: 38px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 4px solid var(--bg-color);
    box-shadow: 0 0 10px var(--color-primary);
    z-index: 1;
}

.roadmap-item:nth-child(even)::before {
    background: var(--color-secondary);
    box-shadow: 0 0 10px var(--color-secondary);
}

.roadmap-item.left {
    left: 0;
    text-align: right;
}

.roadmap-item.left::before {
    right: -8px;
}

.roadmap-item.right {
    left: 50%;
}

.roadmap-item.right::before {
    left: -8px;
}

.roadmap-content {
    border-radius: 16px;
    padding: 24px;
}

.roadmap-date {
    font-family: var(--font-heading);
    font-size: 12px;
    color: var(--color-primary);
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 6px;
    text-transform: uppercase;
}

.roadmap-item:nth-child(even) .roadmap-date {
    color: var(--color-secondary);
}

.roadmap-content h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.roadmap-content p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* About Us Grid */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.about-card {
    border-radius: 20px;
    padding: 40px;
    text-align: center;
}

.about-card p {
    color: var(--text-secondary);
    font-size: 15px;
}

/* Contact Us */
.contact-container {
    max-width: 600px;
    margin: 0 auto;
    border-radius: 24px;
    padding: 40px;
}

.form-group {
    margin-bottom: 24px;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: #FFFFFF;
    font-family: var(--font-body);
    font-size: 14px;
    transition: var(--transition-smooth);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.15);
    background: rgba(255, 255, 255, 0.05);
}

textarea.form-input {
    min-height: 120px;
    resize: vertical;
}

/* Footer styling */
.footer-main {
    border-top: 1px solid var(--border-color);
    padding: 60px 24px 30px 24px;
    background-color: #04060C;
    position: relative;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col {
    max-width: 300px;
}

.footer-col h4 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #FFFFFF;
}

.footer-links {
    list-style: none;
}

.footer-link-item {
    margin-bottom: 12px;
}

.footer-link-item a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    transition: var(--transition-smooth);
}

.footer-link-item a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 30px;
    font-size: 13px;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 16px;
}

/* ============================================================
   Responsive Overrides
   ============================================================ */

/* ── Tablet breakpoint (≤991px) ── */
@media (max-width: 991px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .cta-group {
        justify-content: center;
    }

    /* ── Roadmap: single-column left-bar on tablet/mobile ── */
    .roadmap-timeline::before {
        left: 20px;
        transform: none;
    }

    .roadmap-item {
        width: 100%;
        left: 0 !important;
        padding: 20px 20px 20px 52px;
        text-align: left !important;
    }

    .roadmap-item::before,
    .roadmap-item.left::before,
    .roadmap-item.right::before {
        left: 12px;
        right: auto;
    }

    .nav-menu {
        display: flex;
    }

    .nav-menu .nav-item {
        display: none;
    }

    .nav-menu .nav-item:last-child {
        display: block;
        margin-left: 0;
    }

    /* ── Navbar on mobile: solid/frosted background, tight padding, hide Install App button
       The hero already has "Download for Android" CTA so we don’t
       need the nav button taking space and causing overflow on phones */
    .navbar {
        background: rgba(7, 10, 19, 0.95) !important;
        backdrop-filter: blur(12px) !important;
        -webkit-backdrop-filter: blur(12px) !important;
    }

    .navbar .container {
        padding: 0 14px;
    }

    .nav-item-install {
        display: none !important; /* hide on mobile — hero has the CTA already */
    }

    .section {
        padding: 56px 20px;
    }

    .section-header {
        margin-bottom: 36px;
    }

    .section-title {
        font-size: 26px;
    }

    .section-subtitle {
        font-size: 14px;
    }

    /* Hero — enough top padding to clear 70px fixed navbar + comfortable gap for tagline */
    .hero-section {
        padding: 170px 20px 60px 20px;
    }

    .hero-text h1 {
        font-size: 30px;
        line-height: 1.25;
        margin-bottom: 16px;
    }

    .hero-text p {
        font-size: 14px;
        margin-bottom: 28px;
    }

    /* Mockup — shrink so it fits below text without cropping */
    .mockup-container {
        width: 230px;
        height: 460px;
        border-radius: 32px;
    }

    /* Features — full-width cards, tighter padding */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .feature-card {
        padding: 24px 20px;
    }

    .feature-icon {
        margin-bottom: 16px;
    }

    .feature-title {
        font-size: 17px;
    }

    /* Showcase: stack vertically */
    .showcase-grid {
        flex-direction: column;
        align-items: center;
        gap: 24px;
    }

    .showcase-card.desktop-preview {
        max-width: 100%;
    }

    .showcase-card.mobile-preview {
        width: 200px;
    }

    /* About cards — full width */
    .about-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .about-card {
        padding: 24px 20px;
    }

    /* Contact form */
    .contact-container {
        padding: 24px 16px;
    }

    /* Roadmap cards */
    .roadmap-content {
        padding: 18px;
    }
}

/* ── Small phone breakpoint (≤480px) ── */
@media (max-width: 480px) {
    .hero-section {
        padding: 160px 16px 48px 16px;
    }

    .hero-text h1 {
        font-size: 26px;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .cta-group {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }

    .mockup-container {
        width: 210px;
        height: 420px;
    }

    .section {
        padding: 48px 16px;
    }

    .section-title {
        font-size: 24px;
    }

    .roadmap-content {
        padding: 14px;
    }
}

/* ============================================================
   App Showcase Section
   ============================================================ */
.showcase-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
    align-items: center;
}

.showcase-card {
    border-radius: 24px;
    padding: 12px;
    box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.5);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-color);
    cursor: pointer; /* Indicate the card is clickable */
}

.showcase-card.mobile-preview {
    width: 240px;
}

.showcase-card.desktop-preview {
    width: 100%;
    max-width: 580px;
}

.showcase-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-color-glow);
    box-shadow: 0 20px 40px -15px var(--color-primary-glow);
}

.showcase-img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    display: block;
}

/* ============================================================
   Lightbox / Image Popup
   ============================================================ */
.lightbox-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 9000;
    justify-content: center;
    align-items: center;
    padding: 20px;
    cursor: zoom-out;
}

.lightbox-overlay.active {
    display: flex;
    animation: lb-fadein 0.25s ease;
}

@keyframes lb-fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.lightbox-img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 16px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8),
                0 0 60px var(--color-primary-glow);
    animation: lb-zoomin 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
    object-fit: contain;
}

@keyframes lb-zoomin {
    from { transform: scale(0.88); opacity: 0; }
    to   { transform: scale(1);    opacity: 1; }
}

.lightbox-close {
    position: fixed;
    top: 20px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
    z-index: 9001;
    line-height: 1;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
}