/* Study India - main stylesheet */

:root {
    --brand-blue: #1d4ed8;
    --brand-blue-dark: #1e3a8a;
    --brand-blue-light: #3b82f6;
    --brand-sky: #38bdf8;
    --brand-yellow: #facc15;
    --text-dark: #0f172a;
    --text-body: #334155;
    --text-muted: #64748b;
    --bg-light: #f8fafc;
    --bg-soft: #f1f5f9;
    --border: #e2e8f0;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
    --shadow: 0 6px 18px rgba(15, 23, 42, .08);
    --shadow-lg: 0 18px 40px rgba(15, 23, 42, .12);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --transition: 220ms ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-body);
    line-height: 1.6;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--brand-blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--brand-blue-dark); }

h1, h2, h3, h4, h5, h6 {
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.25;
}

h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p { margin-bottom: 1rem; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Top bar ---------- */
.topbar {
    background: var(--brand-blue-dark);
    color: #fff;
    font-size: 0.85rem;
}
.topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 8px;
    padding-bottom: 8px;
    flex-wrap: wrap;
    gap: 12px;
}
.topbar a { color: #fff; }
.topbar a:hover { color: var(--brand-yellow); }
.topbar .top-info { display: flex; gap: 18px; flex-wrap: wrap; }
.topbar .top-social { display: flex; gap: 14px; }

/* ---------- Header ---------- */
.site-header {
    background: #fff;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    gap: 24px;
}
.logo img { height: 56px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
    color: var(--brand-blue-dark);
    font-weight: 600;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    position: relative;
}
.main-nav a:hover { background: var(--bg-soft); color: var(--brand-blue); }
.main-nav .has-dropdown { position: relative; }
.main-nav .has-dropdown > a::after {
    content: "▾";
    font-size: 0.7em;
    margin-left: 4px;
    opacity: 0.7;
}
.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    min-width: 260px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    padding: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition);
    z-index: 1100;
}
.main-nav .has-dropdown:hover .dropdown,
.main-nav .has-dropdown:focus-within .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown a {
    display: block;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.9rem;
}
.dropdown a:hover { background: var(--bg-soft); color: var(--brand-blue); }

.cta-btn,
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-blue);
    color: #fff !important;
    padding: 12px 26px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 4px 14px rgba(29, 78, 216, .25);
    white-space: nowrap;
}
.cta-btn:hover,
.btn-primary:hover {
    background: var(--brand-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(29, 78, 216, .35);
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--brand-blue);
    color: var(--brand-blue);
    background: transparent;
    padding: 10px 24px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition);
}
.btn-outline:hover {
    background: var(--brand-blue);
    color: #fff;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--brand-blue-dark);
}
.menu-toggle svg { width: 28px; height: 28px; }

/* ---------- Floating side buttons ---------- */
.enquire-side {
    position: fixed;
    right: 0;
    top: 45%;
    transform: rotate(-90deg) translateX(-50%);
    transform-origin: right top;
    background: var(--brand-blue);
    color: #fff;
    padding: 10px 20px;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    font-weight: 700;
    z-index: 900;
    box-shadow: var(--shadow);
}
.enquire-side:hover { background: var(--brand-blue-dark); color: #fff; }

.whatsapp-float {
    position: fixed;
    right: 22px;
    bottom: 22px;
    width: 58px;
    height: 58px;
    background: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 900;
    box-shadow: 0 6px 16px rgba(37, 211, 102, .45);
    transition: transform var(--transition);
}
.whatsapp-float:hover { transform: scale(1.08); color: #fff; }
.whatsapp-float svg { width: 30px; height: 30px; }

/* ---------- Hero ---------- */
.hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 50%, #3b82f6 100%);
    color: #fff;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url("../assets/home-banner-3.jpg") center/cover;
    opacity: .18;
    mix-blend-mode: overlay;
}
.hero .container { position: relative; }
.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: center;
}
.hero h1 {
    color: #fff;
    margin-bottom: 18px;
}
.hero p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, .9);
    margin-bottom: 32px;
    max-width: 560px;
}
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 36px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, .2);
}
.hero-stats .stat-num {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--brand-yellow);
    line-height: 1;
    margin-bottom: 6px;
}
.hero-stats .stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, .85);
}
.hero-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ---------- Page banner (inner pages) ---------- */
.page-banner {
    background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 100%);
    color: #fff;
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: .25;
    background-size: cover;
    background-position: center;
}
.page-banner.bg-about::before { background-image: url("../assets/about-img.jpg"); }
.page-banner.bg-services::before { background-image: url("../assets/services.jpg"); }
.page-banner.bg-team::before { background-image: url("../assets/team.jpg"); }
.page-banner.bg-contact::before { background-image: url("../assets/contact.jpg"); }
.page-banner.bg-courses::before { background-image: url("../assets/allCourses.jpg"); }
.page-banner.bg-colleges::before { background-image: url("../assets/allColleges.jpg"); }

.page-banner .container { position: relative; }
.page-banner h1 { color: #fff; }
.breadcrumb {
    margin-top: 14px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, .85);
}
.breadcrumb a { color: var(--brand-yellow); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { margin: 0 8px; opacity: 0.7; }

/* ---------- Sections ---------- */
section { padding: 80px 0; }
section.tight { padding: 60px 0; }

.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 50px;
}
.section-head .eyebrow {
    color: var(--brand-blue);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.85rem;
    margin-bottom: 12px;
    display: inline-block;
}
.section-head h2 { margin-bottom: 14px; }
.section-head p { color: var(--text-muted); }

/* ---------- Card grids ---------- */
.grid {
    display: grid;
    gap: 24px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
    background: #fff;
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(29, 78, 216, .3);
}
.card h3 { margin-bottom: 10px; color: var(--text-dark); }

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-blue-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-weight: 800;
    font-size: 1.4rem;
}

/* Course / College card with image */
.tile {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}
.tile:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.tile .tile-img {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--bg-soft);
}
.tile .tile-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 400ms ease;
}
.tile:hover .tile-img img { transform: scale(1.06); }
.tile .tile-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.tile h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
    color: var(--text-dark);
}
.tile p {
    color: var(--text-muted);
    font-size: 0.92rem;
    margin-bottom: 16px;
    flex: 1;
}
.tile .tile-link {
    color: var(--brand-blue);
    font-weight: 600;
    font-size: 0.9rem;
    align-self: flex-start;
}
.tile .tile-link::after {
    content: " →";
    transition: margin var(--transition);
}
.tile:hover .tile-link::after { margin-left: 4px; }

/* ---------- Stats band ---------- */
.stats-band {
    background: linear-gradient(135deg, var(--brand-blue-dark), var(--brand-blue));
    color: #fff;
    padding: 70px 0;
}
.stats-band .grid-4 { gap: 30px; }
.stat-item { text-align: center; }
.stat-item .num {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--brand-yellow);
    line-height: 1;
    margin-bottom: 8px;
}
.stat-item .label {
    color: rgba(255, 255, 255, .9);
    font-weight: 500;
}

/* ---------- Process steps ---------- */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    counter-reset: step;
}
.step {
    background: #fff;
    border-radius: var(--radius);
    padding: 32px 24px;
    border: 1px solid var(--border);
    position: relative;
    counter-increment: step;
    transition: all var(--transition);
}
.step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--brand-blue-light);
}
.step::before {
    content: counter(step, decimal-leading-zero);
    position: absolute;
    top: 18px;
    right: 22px;
    font-size: 2rem;
    font-weight: 800;
    color: var(--bg-soft);
}
.step h3 { font-size: 1.1rem; margin-bottom: 10px; }
.step p { color: var(--text-muted); font-size: 0.92rem; margin: 0; }

/* ---------- About / Two-column with image ---------- */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.split img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}
.bg-soft { background: var(--bg-light); }

/* ---------- Lists ---------- */
.checklist { list-style: none; padding: 0; }
.checklist li {
    padding-left: 32px;
    position: relative;
    margin-bottom: 12px;
    color: var(--text-body);
}
.checklist li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 4px;
    width: 20px;
    height: 20px;
    background: var(--brand-blue);
    border-radius: 50%;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'><path d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/></svg>");
    background-size: 14px;
    background-repeat: no-repeat;
    background-position: center;
}

.bullet-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 32px;
    list-style: none;
    padding: 0;
}
.bullet-grid li {
    padding-left: 28px;
    position: relative;
    color: var(--text-body);
    line-height: 1.5;
    padding-top: 4px;
    padding-bottom: 4px;
}
.bullet-grid li::before {
    content: "▸";
    position: absolute;
    left: 4px;
    top: 4px;
    color: var(--brand-blue);
    font-weight: 700;
}

/* ---------- Course/college list page ---------- */
.list-section .college-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}
.college-grid .college-item {
    background: #fff;
    border: 1px solid var(--border);
    border-left: 4px solid var(--brand-blue);
    padding: 18px 22px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    color: var(--text-dark);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}
.college-grid .college-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-left-color: var(--brand-yellow);
    color: var(--brand-blue);
}

/* ---------- Team grid ---------- */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.team-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    text-align: center;
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.team-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.team-card img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}
.team-card .body { padding: 24px; }
.team-card .role {
    color: var(--brand-blue);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.78rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.team-card h3 { margin: 0; }

/* ---------- Contact ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}
.contact-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 32px 28px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.contact-card .icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(29, 78, 216, .1);
    color: var(--brand-blue);
    margin: 0 auto 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 800;
}
.contact-card h3 { margin-bottom: 12px; }
.contact-card p, .contact-card a { color: var(--text-body); font-size: 0.95rem; }

.form-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-bottom: 18px;
}
.form-row.full { grid-template-columns: 1fr; }
.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font: inherit;
    font-size: 0.95rem;
    color: var(--text-dark);
    background: #fff;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
    outline: none;
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 4px rgba(29, 78, 216, .12);
}
textarea.form-control { resize: vertical; min-height: 130px; }

/* ---------- Footer ---------- */
.site-footer {
    background: #0c1a3a;
    color: #cbd5e1;
    padding: 70px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 50px;
}
.site-footer h4 {
    color: #fff;
    margin-bottom: 18px;
    font-size: 1.05rem;
    letter-spacing: 0.5px;
}
.site-footer ul { list-style: none; padding: 0; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: #cbd5e1; font-size: 0.92rem; }
.site-footer a:hover { color: var(--brand-yellow); }
.site-footer .footer-logo { background: #fff; padding: 10px; border-radius: var(--radius-sm); display: inline-block; margin-bottom: 18px; }
.site-footer .footer-logo img { height: 50px; }
.site-footer p { color: #94a3b8; font-size: 0.92rem; }

.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: all var(--transition);
}
.footer-social a:hover { background: var(--brand-blue); color: #fff; transform: translateY(-2px); }
.footer-social svg { width: 18px; height: 18px; }

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 20px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    font-size: 0.88rem;
    color: #94a3b8;
}
.footer-bottom .links { display: flex; gap: 22px; flex-wrap: wrap; }

/* ---------- Modal ---------- */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, .65);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    padding: 20px;
}
.modal-backdrop.open {
    opacity: 1;
    visibility: visible;
}
.modal {
    background: #fff;
    border-radius: var(--radius-lg);
    max-width: 480px;
    width: 100%;
    padding: 36px;
    position: relative;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: transform var(--transition);
}
.modal-backdrop.open .modal { transform: scale(1); }
.modal h2 { margin-bottom: 8px; }
.modal p { color: var(--text-muted); margin-bottom: 22px; }
.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--text-muted);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    line-height: 1;
    transition: background var(--transition);
}
.modal-close:hover { background: var(--bg-soft); }

/* ---------- Mobile ---------- */
@media (max-width: 980px) {
    .grid-3, .grid-4, .steps, .team-grid, .contact-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-grid, .split { grid-template-columns: 1fr; gap: 36px; }
    .hero-image { order: -1; max-width: 480px; margin: 0 auto; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    section { padding: 60px 0; }
    .topbar .top-info { font-size: 0.78rem; gap: 10px; }
    .topbar .top-social { display: none; }
    .menu-toggle { display: flex; align-items: center; }
    .main-nav {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 290px;
        max-width: 85vw;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 80px 18px 24px;
        box-shadow: var(--shadow-lg);
        transform: translateX(100%);
        transition: transform var(--transition);
        overflow-y: auto;
    }
    .main-nav.open { transform: translateX(0); }
    .main-nav a { padding: 12px 14px; }
    .main-nav .has-dropdown > a::after { float: right; }
    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0 0 8px 16px;
        background: transparent;
        min-width: 0;
        display: none;
    }
    .main-nav .has-dropdown.open .dropdown { display: block; }
    .header-cta { display: none; }
    .grid-3, .grid-4, .steps, .team-grid, .contact-grid, .hero-stats { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .form-card { padding: 24px; }
    .enquire-side { font-size: 0.85rem; padding: 8px 16px; }
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-3 { margin-top: 30px; }
.mb-3 { margin-bottom: 30px; }
.mb-2 { margin-bottom: 20px; }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }