/* GATE IIT Premium Redesigned Stylesheet - Minimalist & Unique Layout */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* --- CSS Variables & Design Tokens --- */
:root {
    /* Color Palette */
    --primary: #0F172A;       /* Slate Dark Blue (Very Premium) */
    --primary-light: #1E40AF; /* Deep Navy Blue */
    --primary-bg: #F8FAFC;    /* Off-white background */
    --secondary: #BE123C;     /* Brand Red (Burgundy/Crimson tint) */
    --accent: #EA580C;        /* Flat Orange for CTAs */
    --accent-hover: #C2410C;  /* Darker Orange */
    --whatsapp: #16A34A;      /* Matte WhatsApp Green */
    
    /* Neutral Shades */
    --text-main: #334155;     /* Dark Slate Text */
    --text-muted: #64748B;    /* Muted Slate Text */
    --text-light: #94A3B8;    /* Light Slate Text */
    --white: #FFFFFF;
    --border-color: #E2E8F0;
    
    /* Shadows & Radii */
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 20px 45px rgba(15, 23, 42, 0.06);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Base & Reset --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--white);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* --- Utility Classes --- */
.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 90px 0;
    position: relative;
}

.section-bg-alt {
    background-color: var(--primary-bg);
}

.text-center { text-align: center; }

.section-header {
    margin-bottom: 50px;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.section-badge {
    display: inline-block;
    background-color: rgba(30, 64, 175, 0.08);
    color: var(--primary-light);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 4px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-badge.red {
    background-color: rgba(190, 18, 60, 0.08);
    color: var(--secondary);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.25;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.section-title span {
    color: var(--secondary);
}

.section-desc {
    color: var(--text-muted);
    font-size: 1rem;
}

/* --- Buttons & CTAs --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 24px;
    border-radius: 6px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    gap: 8px;
}

.btn-lg {
    padding: 14px 30px;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(234, 88, 12, 0.15);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(234, 88, 12, 0.25);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--primary-bg);
    border-color: var(--text-light);
}

.btn-whatsapp {
    background-color: var(--whatsapp);
    color: var(--white);
}

.btn-whatsapp:hover {
    background-color: #128c3e;
    transform: translateY(-1px);
}

.btn-block {
    width: 100%;
}

/* --- Announcement Bar (Clean, Text-only) --- */
.announcement-bar {
    background-color: var(--primary);
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.8rem;
    padding: 8px 0;
    text-align: center;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* --- Header / Decluttered Navbar --- */
.header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-fast);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 8px;
}

.logo-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.logo-dot {
    color: var(--secondary);
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.nav-cta {
    display: flex;
    align-items: center;
}

.nav-cta .btn {
    padding: 8px 18px;
    font-size: 0.85rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.3rem;
    color: var(--primary);
    cursor: pointer;
}

/* --- SECTION 1: CENTERED HERO SECTION --- */
.hero {
    padding: 80px 0 60px;
    background-color: var(--white);
    text-align: center;
}

.hero-content-centered {
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background-color: rgba(190, 18, 60, 0.06);
    color: var(--secondary);
    font-weight: 700;
    font-size: 0.8rem;
    padding: 6px 12px;
    border-radius: 4px;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-title-centered {
    font-family: var(--font-heading);
    font-size: 3.2rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -1.5px;
}

.hero-title-centered span {
    color: var(--primary-light);
}

.hero-subtitle-centered {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.5;
}

.hero-actions-centered {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-metrics-minimalist {
    display: flex;
    justify-content: center;
    gap: 40px;
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    max-width: 600px;
    margin: 0 auto;
}

.metric-card {
    text-align: center;
}

.metric-card h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
}

.metric-card p {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

/* --- SECTION 2: RESULTS & OFFICIAL TOPPERS --- */
.toppers-image-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    padding: 12px;
    transition: var(--transition-normal);
}

.toppers-image-container:hover {
    transform: translateY(-2px);
}

.toppers-official-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: calc(var(--radius-md) - 6px);
}

.results-description {
    text-align: center;
    max-width: 600px;
    margin: 30px auto 0;
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* --- SECTION 3: COURSES SECTION (ACCORDION STYLE) --- */
.courses-minimal-layout {
    max-width: 800px;
    margin: 0 auto;
}

.courses-tabs-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.course-tab-link {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 10px 18px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background-color: var(--white);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.course-tab-link.active, .course-tab-link:hover {
    background-color: var(--primary-light);
    color: var(--white);
    border-color: var(--primary-light);
}

.courses-list-container {
    display: none;
    flex-direction: column;
    gap: 12px;
}

.courses-list-container.active {
    display: flex;
}

.course-row {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    transition: var(--transition-fast);
}

.course-row:hover {
    border-color: var(--text-light);
    box-shadow: var(--shadow-sm);
}

.course-row-info {
    flex-grow: 1;
}

.course-row-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    background-color: var(--primary-bg);
    color: var(--primary-light);
    padding: 2px 8px;
    border-radius: 3px;
    margin-bottom: 6px;
    text-transform: uppercase;
}

.course-row h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 4px;
}

.course-row p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.4;
}

.course-row-action .btn {
    padding: 8px 16px;
    font-size: 0.8rem;
    white-space: nowrap;
}

/* --- SECTION 4: WHY STUDENTS CHOOSE GATE IIT (CLEAN TWO-COLUMN) --- */
.why-two-col {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.why-left-content h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.25;
    margin-bottom: 16px;
}

.why-left-content p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 24px;
    line-height: 1.5;
}

.why-right-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.why-list-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.why-list-item-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.why-list-item-title i {
    color: var(--secondary);
    font-size: 0.9rem;
}

.why-list-item p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.4;
}

/* --- SECTION 5: FACULTY + TESTIMONIALS (MINIMAL GLIDE) --- */
.faculty-minimalist-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.faculty-minimal-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 20px;
    text-align: center;
    transition: var(--transition-fast);
}

.faculty-minimal-card:hover {
    border-color: var(--text-light);
}

.faculty-initials {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.2rem;
    margin: 0 auto 12px;
}

.faculty-minimal-card h3 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 4px;
}

.faculty-minimal-card .expertise {
    color: var(--secondary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.faculty-minimal-card .degrees {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.3;
}

.faculty-load-more {
    text-align: center;
    margin-top: 30px;
}

/* Testimonials row */
.testimonials-minimal-row {
    margin-top: 60px;
    border-top: 1px solid var(--border-color);
    padding-top: 60px;
}

.testimonials-minimal-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testi-minimal-card {
    background-color: var(--primary-bg);
    border-radius: var(--radius-sm);
    padding: 24px;
}

.testi-minimal-card p {
    font-size: 0.9rem;
    color: var(--text-main);
    line-height: 1.5;
    font-style: italic;
    margin-bottom: 16px;
}

.testi-minimal-card h4 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--primary);
}

.testi-minimal-card span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* --- SECTION 6: ENQUIRY, FAQ & FOOTER (SIMPLE LAYOUT) --- */
.contact-grid-simplified {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

/* Simplified Form */
.enquiry-form-simplified {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
    box-shadow: var(--shadow-sm);
}

.enquiry-form-simplified h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 6px;
}

.enquiry-form-simplified p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
}

.form-group label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--primary);
    letter-spacing: 0.3px;
}

.input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.input-container i {
    position: absolute;
    left: 16px;
    color: var(--text-light);
    font-size: 0.95rem;
    pointer-events: none;
    transition: var(--transition-fast);
}

.form-control {
    width: 100%;
    padding: 12px 16px 12px 44px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--primary);
    background-color: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    outline: none;
    transition: var(--transition-normal);
    appearance: none;
}

.form-control::placeholder {
    color: var(--text-light);
}

.form-control:focus {
    border-color: var(--primary-light);
    background-color: var(--white);
    box-shadow: 0 0 0 4px rgba(30, 64, 175, 0.08);
}

.input-container:focus-within i {
    color: var(--primary-light);
}

select.form-control {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748B'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 40px;
}

/* FAQs Accordion style */
.faq-list-simplified {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item-simple {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.faq-question-simple {
    width: 100%;
    background: none;
    border: none;
    padding: 12px 0;
    text-align: left;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 800;
    color: var(--primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question-simple i {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.faq-item-simple.active .faq-question-simple i {
    transform: rotate(180deg);
    color: var(--secondary);
}

.faq-answer-simple {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease-out;
}

.faq-answer-simple-inner {
    padding: 8px 0 16px;
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.5;
}

/* Map Embed */
.map-minimal {
    margin-top: 40px;
    height: 200px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* --- FOOTER --- */
.footer-minimal {
    background-color: var(--primary);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 30px;
    font-size: 0.85rem;
}

.footer-grid-minimal {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column-minimal h3 {
    font-family: var(--font-heading);
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-column-minimal p {
    line-height: 1.5;
    margin-bottom: 16px;
}

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

.footer-links-minimal li {
    margin-bottom: 8px;
}

.footer-links-minimal a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links-minimal a:hover {
    color: var(--white);
}

.footer-contact-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-contact-row {
    display: flex;
    gap: 8px;
}

.footer-contact-row i {
    color: var(--accent);
    margin-top: 3px;
}

.footer-bottom-minimal {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.75rem;
}

.footer-bottom-minimal a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    margin-left: 16px;
}

.footer-bottom-minimal a:hover {
    color: var(--white);
}

/* --- MOBILE & FLOATING CTAS --- */
.sticky-bottom-bar-minimal {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -4px 12px rgba(15, 23, 42, 0.08);
    z-index: 999;
    padding: 10px 16px;
    display: none;
    justify-content: space-between;
    gap: 10px;
}

.sticky-bottom-bar-minimal .btn {
    flex: 1;
    padding: 10px;
    font-size: 0.85rem;
    border-radius: 4px;
}

.floating-whatsapp-minimal {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 52px;
    height: 52px;
    background-color: var(--whatsapp);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.25);
    text-decoration: none;
    z-index: 998;
    transition: var(--transition-fast);
}

.floating-whatsapp-minimal:hover {
    transform: scale(1.05);
}

/* --- MODAL --- */
.success-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(4px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.success-modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: 30px;
    max-width: 420px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

.success-modal.active .modal-content {
    transform: scale(1);
}

.modal-icon-simple {
    font-size: 2rem;
    color: var(--whatsapp);
    margin-bottom: 16px;
}

.modal-content h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.modal-content p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 20px;
    line-height: 1.4;
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 1024px) {
    .why-two-col {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .faculty-minimalist-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    section {
        padding: 70px 0;
    }
    
    .hero-title-centered {
        font-size: 2.4rem;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: 24px;
        box-shadow: var(--shadow-md);
        border-top: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .nav-cta {
        display: none; /* Mobile sticky bar replaces header CTA */
    }
    
    .faculty-minimalist-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-minimal-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-grid-simplified {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .sticky-bottom-bar-minimal {
        display: flex;
    }
    
    .floating-whatsapp-minimal {
        bottom: 64px;
    }
    
    body {
        padding-bottom: 60px;
    }
}

@media (max-width: 480px) {
    .hero-title-centered {
        font-size: 2rem;
    }
    
    .hero-metrics-minimalist {
        gap: 20px;
        flex-wrap: wrap;
    }
    
    .course-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }
    
    .course-row-action {
        width: 100%;
    }
    
    .course-row-action .btn {
        width: 100%;
    }
    
    .faculty-minimalist-grid {
        grid-template-columns: 1fr;
    }
    
    .why-right-list {
        grid-template-columns: 1fr;
    }
}