/* NYC Air Service - Main Stylesheet */

/* ===== CSS CUSTOM PROPERTIES (Design System) ===== */
:root {
    /* Colors */
    --clr-primary: #1e40af;
    --clr-primary-dark: #1e3a8a;
    --clr-primary-light: #3b82f6;
    --clr-secondary: #f59e0b;
    --clr-secondary-dark: #d97706;
    --clr-secondary-light: #fbbf24;

    /* Neutrals */
    --clr-neutral-100: #f8fafc;
    --clr-neutral-200: #e2e8f0;
    --clr-neutral-300: #cbd5e1;
    --clr-neutral-400: #94a3b8;
    --clr-neutral-500: #64748b;
    --clr-neutral-600: #475569;
    --clr-neutral-700: #334155;
    --clr-neutral-800: #1e293b;
    --clr-neutral-900: #0f172a;

    /* Typography Scale */
    --fs-300: 0.75rem; /* 12px */
    --fs-400: 0.875rem; /* 14px */
    --fs-500: 1rem; /* 16px */
    --fs-600: 1.125rem; /* 18px */
    --fs-700: 1.25rem; /* 20px */
    --fs-800: 1.5rem; /* 24px */
    --fs-900: 1.8rem; /* 32px */
    --fs-1000: 2.5rem; /* 40px */
    --fs-1100: 3.2rem; /* 48px */
    --fs-1200: 3.8rem; /* 56px */

    /* Font Families */
    --ff-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        sans-serif;
    --ff-heading: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, sans-serif;

    /* Spacing Scale (4pt grid) */
    --space-1: 0.25rem; /* 4px */
    --space-2: 0.5rem; /* 8px */
    --space-3: 0.75rem; /* 12px */
    --space-4: 1rem; /* 16px */
    --space-5: 1.25rem; /* 20px */
    --space-6: 1.5rem; /* 24px */
    --space-8: 2rem; /* 32px */
    --space-10: 2.5rem; /* 40px */
    --space-12: 3rem; /* 48px */
    --space-16: 4rem; /* 64px */
    --space-20: 5rem; /* 80px */
    --space-24: 6rem; /* 96px */

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1),
        0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1),
        0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1),
        0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Container */
    --container-max-width: 70rem;
    --container-padding: var(--space-4);
}

/* ===== RESET & BASE STYLES ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
    font: inherit;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 5rem;
}

body {
    font-family: var(--ff-primary);
    font-size: var(--fs-500);
    line-height: 1.6;
    color: var(--clr-neutral-900);
    background-color: var(--clr-neutral-100);
    overflow-x: hidden;
    transition: background-color var(--transition-normal),
        color var(--transition-normal);
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
}

input,
button,
textarea,
select {
    font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
    overflow-wrap: break-word;
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: var(--container-max-width);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.flow > * + * {
    margin-block-start: var(--space-3);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== TYPOGRAPHY ===== */
h1,
h2,
h3,
h4 {
    font-family: var(--ff-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--clr-neutral-900);
}

h1 {
    font-size: var(--fs-1200);
    font-weight: 800;
}

h2 {
    font-size: var(--fs-1100);
    font-weight: 700;
}

h3 {
    font-size: var(--fs-900);
    font-weight: 600;
}

h4 {
    font-size: var(--fs-800);
    font-weight: 600;
}

p {
    max-width: 65ch;
}

a {
    color: var(--clr-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover,
a:focus {
    color: var(--clr-primary-dark);
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 2px;
}

a:focus {
    outline: 2px solid var(--clr-primary);
    outline-offset: 2px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.75em 1.5em;
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left var(--transition-normal);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--clr-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--clr-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
    text-decoration: none;
}

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

/* CTA Button Animation */
.cta-button {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(30, 64, 175, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(30, 64, 175, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(30, 64, 175, 0);
    }
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--clr-neutral-200);
    transition: all var(--transition-normal);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: var(--space-6);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--ff-heading);
    font-size: var(--fs-700);
    font-weight: 700;
    color: var(--clr-primary);
    text-decoration: none;
}

.navbar-brand:hover,
.navbar-brand:focus {
    color: var(--clr-primary-dark);
    text-decoration: none;
}

.logo {
    width: 2rem;
    height: 2rem;
}

.nav-menu {
    display: flex;
}

ul.nav-list {
    display: flex;
    list-style: none;
    gap: var(--space-6);
    margin: 0;
    padding: 0;
    color: rgba(30, 64, 175, 0.7);
    margin-bottom: 1rem;
    margin-top: 1rem;
}

.nav-link {
    font-weight: 500;
    color: var(--clr-neutral-700);
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--clr-primary);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link:focus::after {
    width: 100%;
}

.nav-link:hover,
.nav-link:focus {
    color: var(--clr-primary);
    text-decoration: none;
}

/* Mobile Navigation */
.burger-menu {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    z-index: 1001;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.burger-menu:hover {
    background-color: var(--clr-neutral-200);
}

.burger-menu:focus {
    outline: 2px solid var(--clr-primary);
    outline-offset: 2px;
}

.burger-line {
    width: 24px;
    height: 2px;
    background: var(--clr-neutral-700);
    transition: all var(--transition-normal);
    border-radius: 1px;
    transform-origin: center;
}

@media (max-width: 768px) {
    .burger-menu {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 80px; /* Updated height of navbar */
        left: 0;
        right: 0;
        background: white;
        border-top: 1px solid var(--clr-neutral-200);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        z-index: 999;
        box-shadow: var(--shadow-lg);
    }

    .nav-open .nav-menu {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        padding: var(--space-6);
        padding-bottom: var(--space-8);
        gap: var(--space-4);
    }

    .nav-item {
        padding-left: var(--space-4);
    }

    .nav-open .burger-line:nth-child(1) {
        background: black;
    }

    .nav-open .burger-line:nth-child(2) {
        background: black;
    }

    .nav-open .burger-line:nth-child(3) {
        background: black;
    }
}

/* ===== TABLE OF CONTENTS ===== */
.toc-section {
    padding-block: var(--space-8);
    background: var(--clr-neutral-100);
    border-bottom: 1px solid var(--clr-neutral-300);
}

.toc-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.toc-title {
    margin-bottom: var(--space-4);
    background: var(--clr-primary-light);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: var(--ff-heading);
}

.toc-nav {
    max-width: 1200px;
    margin-inline: auto;
}

.toc-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-6);
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
}

.toc-item {
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    border: 1px solid var(--clr-neutral-200);
}

.toc-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--clr-primary);
}

.toc-link {
    display: block;
    padding: var(--space-3) var(--space-4);
    text-decoration: none;
    color: var(--clr-neutral-700);
    transition: all var(--transition-fast);
    font-weight: 500;
    white-space: nowrap;
    font-size: var(--fs-600);
}

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

@media (max-width: 768px) {
    .toc-list {
        display: flex;
        flex-direction: row;
        flex-wrap: nowrap;
        gap: var(--space-4);
        overflow-x: auto;
        scrollbar-width: thin;
        scrollbar-color: var(--clr-primary) var(--clr-neutral-200);
        padding-bottom: var(--space-2);
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }

    .toc-list::-webkit-scrollbar {
        height: 4px;
    }

    .toc-list::-webkit-scrollbar-track {
        background: var(--clr-neutral-200);
        border-radius: 2px;
    }

    .toc-list::-webkit-scrollbar-thumb {
        background: var(--clr-primary);
        border-radius: 2px;
    }

    .toc-list::-webkit-scrollbar-thumb:hover {
        background: var(--clr-primary-dark);
    }

    .toc-item {
        flex-shrink: 0;
    }

    .toc-link {
        padding: var(--space-3) var(--space-4);
        white-space: nowrap;
    }
}

/* ===== SECTIONS ===== */
.section {
    padding-block: var(--space-20);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    margin-bottom: var(--space-4);
    background: var(--clr-primary-light);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-description {
    font-size: var(--fs-600);
    color: var(--clr-neutral-600);
    max-width: 50ch;
    margin-inline: auto;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(
        135deg,
        var(--clr-primary) 0%,
        var(--clr-primary-dark) 100%
    );
    color: white;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: url("../img/infinite-loop-01.jpg") center/cover;
    opacity: 0.1;
    z-index: 1;
}

.hero-background::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        var(--clr-primary) 0%,
        var(--clr-primary-dark) 100%
    );
    opacity: 0.8;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: center;
    max-width: 50rem;
    margin-inline: auto;
}

.hero-title {
    color: white;
    margin-bottom: var(--space-6);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: var(--fs-700);
    margin-bottom: var(--space-12);
    opacity: 0.9;
    max-width: none;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

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

.stat-number {
    display: block;
    font-size: var(--fs-1100);
    font-weight: 800;
    color: var(--clr-secondary);
    font-family: var(--ff-heading);
}

.stat-label {
    font-size: var(--fs-400);
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== ABOUT SECTION ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.about-text {
    font-size: var(--fs-600);
    color: var(--clr-neutral-700);
}

.about-text p + p {
    margin-top: var(--space-6);
}

.feature-grid {
    display: grid;
    gap: var(--space-8);
}

.feature-card {
    padding: var(--space-6);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--clr-neutral-200);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    background: var(--clr-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.feature-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: white;
}

.feature-title {
    margin-bottom: var(--space-2);
    color: var(--clr-primary-dark);
}

.feature-description {
    color: var(--clr-neutral-600);
}

@media (max-width: 768px) {
    .hero {
        padding-top: var(--space-20);
    }

    .hero-title {
        margin-top: var(--space-8);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
}

/* ===== SERVICES SECTION ===== */
.services-section {
    background: var(--clr-neutral-100);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.service-card {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--clr-neutral-200);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    width: 4rem;
    height: 4rem;
    background: var(--clr-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
}

.service-icon svg {
    width: 2rem;
    height: 2rem;
    color: white;
}

.service-title {
    margin-bottom: var(--space-4);
    color: var(--clr-primary-dark);
}

.service-description {
    color: var(--clr-neutral-700);
    margin-bottom: var(--space-6);
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--clr-neutral-700);
    color: var(--clr-primary-dark);
    position: relative;
    padding-left: var(--space-6);
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--clr-secondary);
    font-weight: bold;
}

.service-features li:last-child {
    border-bottom: none;
}

/* ===== PARTNERS SECTION ===== */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
}

.partner-link {
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.partner-link:hover {
    transform: scale(1.05);
    text-decoration: none;
}

.partner-logo {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--clr-neutral-700);
}

.partner-logo:hover {
    box-shadow: var(--shadow-lg);
}

.logo-placeholder {
    font-size: var(--fs-800);
    font-weight: 700;
    color: var(--clr-neutral-700);
    margin-bottom: var(--space-4);
    font-family: var(--ff-heading);
}

.partner-logo figcaption {
    font-size: var(--fs-400);
    color: var(--clr-neutral-500);
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
    background: linear-gradient(
        135deg,
        var(--clr-primary) 0%,
        var(--clr-primary-dark) 100%
    );
    color: white;
}

.testimonials-section .section-title,
.testimonials-section .section-description {
    color: white;
    -webkit-text-fill-color: white;
}

#contact .section-header {
    color: var(--clr-neutral-900);
}

#contact .section-title {
    color: var(--clr-neutral-900);
    -webkit-text-fill-color: var(--clr-neutral-900);
}

#contact .section-description {
    color: var(--clr-neutral-700);
}

.testimonials-carousel {
    position: relative;
    overflow: hidden;
    margin-bottom: var(--space-8);
}

.testimonial-slide {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.testimonial-slide.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.testimonial-card {
    background: white;
    border: 1px solid var(--clr-neutral-200);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    max-width: 50rem;
    margin-inline: auto;
    box-shadow: var(--shadow-md);
    overflow-y: visible;
}

.testimonial-text {
    font-size: var(--fs-600);
    font-style: italic;
    margin-bottom: var(--space-6);
    line-height: 1.8;
    color: var(--clr-neutral-700);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.author-avatar {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-name {
    font-weight: 600;
    margin-bottom: var(--space-1);
    color: var(--clr-neutral-900);
}

.author-title {
    font-size: var(--fs-400);
    color: var(--clr-neutral-600);
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
}

.carousel-btn {
    background: var(--clr-primary);
    border: 1px solid var(--clr-primary);
    color: white;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--fs-700);
}

.carousel-btn:hover {
    background: var(--clr-primary-dark);
    transform: scale(1.1);
}

.carousel-dots {
    display: flex;
    gap: var(--space-2);
}

.carousel-dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: var(--radius-full);
    background: var(--clr-neutral-300);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-dot.active {
    background: var(--clr-primary);
}

/* ===== TERMS OF SERVICE SECTION ===== */
.tos-section {
    background: white;
}

.tos-content {
    max-width: 50rem;
    margin-inline: auto;
}

.tos-text h3 {
    margin-top: var(--space-8);
    margin-bottom: var(--space-4);
    color: var(--clr-primary);
}

.tos-text h3:first-child {
    margin-top: 0;
}

.tos-text p {
    color: var(--clr-neutral-700);
    margin-bottom: var(--space-4);
    max-width: none;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    background: var(--clr-neutral-100);
    color: var(--clr-neutral-900);
}

.contact-section .section-description p {
    color: var(--clr-neutral-700);
    margin-bottom: var(--space-4);
    max-width: none;
}

/* .contact-section .section-title,
.contact-section .section-description {
    color: white;
    -webkit-text-fill-color: white;
} */

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.contact-form-container {
    position: relative;
}

.contact-form {
    background: white;
    border: 1px solid var(--clr-neutral-700);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 500;
    color: var(--clr-neutral-700);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3);
    border: 1px solid var(--clr-neutral-300);
    border-radius: var(--radius-md);
    background: white;
    color: var(--clr-neutral-900);
    transition: all var(--transition-fast);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
    max-height: 300px;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--clr-neutral-500);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.2);
}

.form-submit {
    width: 100%;
    margin-top: var(--space-4);
}

.form-success {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.95);
    color: var(--clr-neutral-900);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.form-success.show {
    opacity: 1;
    visibility: visible;
}

.success-icon {
    width: 4rem;
    height: 4rem;
    background: var(--clr-secondary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-800);
    color: white;
    margin-bottom: var(--space-4);
}

.error-message {
    display: block;
    color: #ef4444;
    font-size: var(--fs-400);
    margin-top: var(--space-1);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.error-message.show {
    opacity: 1;
}

.contact-info {
    padding: var(--space-8);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.contact-icon {
    width: 3rem;
    height: 3rem;
    background: var(--clr-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: white;
}

.contact-text h4 {
    margin-bottom: var(--space-2);
    color: var(--clr-neutral-900);
    font-size: var(--fs-700);
    font-weight: 600;
}

.contact-text p {
    color: var(--clr-neutral-700);
    margin-bottom: var(--space-1);
}

@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
}

/* ===== SOCIAL SECTION ===== */
.social-section {
    background: var(--clr-neutral-50);
    padding-block: var(--space-12);
}

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

.social-title {
    margin-bottom: var(--space-6);
    color: var(--clr-neutral-900);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}

.social-link {
    width: 3rem;
    height: 3rem;
    background: var(--clr-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--clr-secondary);
    transform: translateY(-2px);
    text-decoration: none;
    color: white;
}

.social-link svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--clr-neutral-900);
    color: white;
    padding-block: var(--space-12);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-8);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.footer-logo {
    width: 2rem;
    height: 2rem;
}

.footer-brand-text {
    font-family: var(--ff-heading);
    font-size: var(--fs-700);
    font-weight: 700;
    color: white;
}

.footer-nav-list {
    display: flex;
    list-style: none;
    gap: var(--space-6);
    margin: 0;
    padding: 0;
}

.footer-nav-link {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer-nav-link:hover,
.footer-nav-link:focus {
    color: white;
    text-decoration: none;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--clr-neutral-700);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--fs-400);
}

#contact .contact-content .contact-text {
    color: var(--clr-neutral-900);
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: var(--space-6);
        text-align: center;
    }

    .footer-nav-list {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-4);
    }

    .toc-list {
        justify-content: flex-start;
        overflow-y: visible;
    }

    .toc-list * {
        overflow-y: visible;
    }
}

/* ===== ANIMATIONS & UTILITIES =====
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
} */

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    :root {
        --fs-1200: 4rem;
        --fs-1100: 3rem;
        --space-20: 4rem;
        --space-16: 3rem;
    }
}

@media (max-width: 768px) {
    :root {
        --fs-1200: 3rem;
        --fs-1100: 2.5rem;
        --fs-900: 1.75rem;
        --space-20: 3rem;
        --space-16: 2.5rem;
        --space-12: 2rem;
        --container-padding: var(--space-4);
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    :root {
        --fs-1200: 2.8rem;
        --fs-1100: 2.3rem;
        --container-padding: var(--space-5);
    }

    .partners-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Focus styles for better accessibility */
:focus-visible {
    outline: 2px solid var(--clr-secondary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --clr-primary: #000080;
        --clr-secondary: #ff6600;
    }
}

/* Print styles */
@media print {
    .navbar,
    .carousel-controls,
    .social-section,
    .footer {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: var(--space-8);
    }

    .section {
        padding-block: var(--space-8);
    }
}