/* ========================================
   Remarkable Solutions - Main Stylesheet
   Design System based on existing brand
   ======================================== */

/* CSS Custom Properties (Design Tokens) */
:root {
    /* Colors - Primary Palette */
    --color-primary: #6878D6;
    --color-primary-dark: #4D61D6;
    --color-primary-light: #8B98E0;

    /* Colors - Neutrals */
    --color-dark: #242A56;
    --color-text: #393A56;
    --color-text-light: #6B7280;
    --color-light: #EFF2FF;
    --color-lighter: #F8FAFF;
    --color-white: #FFFFFF;

    /* Colors - Accents */
    --color-accent: #10B981;
    --color-accent-light: #D1FAE5;
    --color-accent-secondary: #06B6D4; /* Cyan for visual interest */

    /* Colors - Dark Theme */
    --color-bg-dark: #0f172a;
    --color-bg-dark-lighter: #1e293b;

    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* 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);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* Skip to content link */
.skip-to-content {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    z-index: 10000;
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: top var(--transition-base);
}

.skip-to-content:focus {
    top: var(--space-4);
}

/* ========================================
   Reset & Base Styles
   ======================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ========================================
   Utility Classes
   ======================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-24) 0;
}

@media (min-width: 1024px) {
    .section {
        padding: 7rem 0; /* Increased whitespace for premium feel */
    }
}

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

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, #8B5CF6 50%, var(--color-accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
    letter-spacing: -0.02em;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
    margin-bottom: var(--space-4);
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 14px 0 rgba(104, 120, 214, 0.4);
}

.btn--primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(104, 120, 214, 0.5);
}

.btn--outline {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn--outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

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

.btn--white:hover {
    background: var(--color-lighter);
    transform: translateY(-2px);
}

.btn--large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn--full {
    width: 100%;
}

/* ========================================
   Header & Navigation
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
}

.header.scrolled .nav__link {
    color: var(--color-text);
}

.header.scrolled .logo-white {
    display: none;
}

.header.scrolled .logo-dark {
    display: block;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
}

.nav__logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.nav__logo img {
    height: 56px;
    width: auto;
}

.logo-dark {
    display: none;
}

.logo-white {
    display: block;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav__link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-white);
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__cta {
    margin-left: var(--space-4);
}

/* Language Switcher - positioned top right */
.lang-switcher {
    position: fixed;
    top: var(--space-4);
    right: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(8px);
    z-index: 1002;
    font-size: var(--text-xs);
}

.lang-switcher__btn {
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.lang-switcher__btn:hover {
    color: var(--color-white);
}

.lang-switcher__btn--active {
    background: var(--color-white);
    color: var(--color-dark) !important;
}

.lang-switcher__divider {
    display: none;
}

.nav__toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    z-index: 1001;
}

.hamburger {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    position: relative;
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-fast);
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

.header.scrolled .hamburger,
.header.scrolled .hamburger::before,
.header.scrolled .hamburger::after {
    background: var(--color-dark);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        background: var(--color-dark);
        flex-direction: column;
        justify-content: center;
        gap: var(--space-8);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav__menu.active {
        opacity: 1;
        visibility: visible;
    }

    .nav__menu .nav__link {
        color: var(--color-white) !important;
        font-size: var(--text-xl);
    }

    .nav__cta {
        display: none;
    }

    .lang-switcher {
        right: var(--space-16);
    }

    .nav__toggle {
        display: flex;
        margin-right: 1rem;
    }

    .nav__toggle.active .hamburger {
        background: transparent;
    }

    .nav__toggle.active .hamburger::before {
        transform: rotate(45deg);
        top: 0;
        background: var(--color-white) !important;
    }

    .nav__toggle.active .hamburger::after {
        transform: rotate(-45deg);
        top: 0;
        background: var(--color-white) !important;
    }
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    background: url('../assets/images/hero-bg.jpg') center/cover no-repeat;
    overflow: hidden;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(36, 42, 86, 0.72) 0%, rgba(104, 120, 214, 0.62) 100%);
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: var(--space-24) 0;
}

.hero__title {
    font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
    color: var(--color-white);
    margin-bottom: var(--space-6);
    line-height: 1.1;
}

.hero__title .text-gradient {
    background: linear-gradient(135deg, #A5B4FC 0%, #C4B5FD 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-8);
    max-width: 600px;
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.hero__stats {
    display: flex;
    gap: var(--space-10);
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.stat {
    text-align: left;
}

.stat__number {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-white);
}

.stat__label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 768px) {
    .hero__stats {
        flex-direction: column;
        gap: var(--space-6);
    }

    .hero__cta {
        flex-direction: column;
    }

    .hero__cta .btn {
        width: 100%;
    }
}

/* ========================================
   Section Headers
   ======================================== */

.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-12);
}

.section__label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-3);
}

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

.section__description {
    font-size: var(--text-lg);
    color: var(--color-text-light);
}

/* ========================================
   Services Section
   ======================================== */

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
}

.service-card {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
    border-color: transparent;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(135deg, var(--color-primary), var(--color-accent-secondary)) border-box;
}

.service-card--featured {
    border-color: var(--color-primary);
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-lighter) 100%);
}

.service-card__badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--text-xs);
    font-weight: 600;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: var(--color-light);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
    background: var(--color-primary);
    color: var(--color-white);
}

.service-card__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.service-card__description {
    color: var(--color-text-light);
    margin-bottom: var(--space-4);
}

.service-card__features {
    margin-bottom: var(--space-5);
}

.service-card__features li {
    position: relative;
    padding-left: var(--space-5);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text);
}

.service-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

.service-card__link {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    transition: all var(--transition-fast);
}

.service-card__link:hover {
    color: var(--color-primary-dark);
}

/* ========================================
   Why Us Section
   ======================================== */

.why-us__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-6);
}

.why-us__card {
    text-align: center;
    padding: var(--space-8);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.why-us__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.why-us__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-5);
    background: var(--color-light);
    border-radius: 50%;
    color: var(--color-primary);
}

.why-us__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.why-us__description {
    color: var(--color-text-light);
    font-size: var(--text-sm);
}

/* ========================================
   Tech Stack Section
   ======================================== */

.tech-stack__categories {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

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

.tech-category__title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.tech-category__logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
}

.tech-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-light);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-dark);
    transition: all var(--transition-fast);
}

.tech-logo i {
    font-size: 1.25rem;
    line-height: 1;
}

.tech-logo__svg {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

.tech-logo:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.tech-logo:hover i,
.tech-logo:hover .tech-logo__svg {
    color: var(--color-white);
    fill: var(--color-white);
}

/* ========================================
   CTA Banner
   ======================================== */

.cta-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--space-16) 0;
}

.cta-banner__content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-banner__title {
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.cta-banner__description {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-8);
}

/* ========================================
   Contact Section
   ======================================== */

.contact__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: start;
}

@media (max-width: 768px) {
    .contact__wrapper {
        grid-template-columns: 1fr;
    }
}

.contact__info .section__header {
    text-align: left;
    margin-bottom: var(--space-6);
}

.contact__description {
    color: var(--color-text-light);
    margin-bottom: var(--space-8);
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact__item {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
}

.contact__item svg {
    flex-shrink: 0;
    color: var(--color-primary);
}

.contact__item a {
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.contact__item a:hover {
    color: var(--color-primary-dark);
}

.contact__form {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.form__group {
    margin-bottom: var(--space-5);
}

.form__label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-dark);
    margin-bottom: var(--space-2);
}

.form__input,
.form__textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(104, 120, 214, 0.1);
}

.form__textarea {
    min-height: 120px;
    resize: vertical;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-10);
    margin-bottom: var(--space-10);
}

@media (max-width: 768px) {
    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
}

@media (max-width: 480px) {
    .footer__grid {
        grid-template-columns: 1fr;
    }
}

.footer__logo {
    height: 40px;
    margin-bottom: var(--space-4);
}

.footer__tagline {
    font-size: var(--text-sm);
    margin-bottom: var(--space-5);
    color: rgba(255, 255, 255, 0.6);
}

.footer__social {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

.footer__heading {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer__list li {
    margin-bottom: var(--space-2);
}

.footer__list a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.footer__list a:hover {
    color: var(--color-white);
}

.footer__list--contact li {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
}

.footer__bottom {
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer__bottom p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

/* ========================================
   Animations
   ======================================== */

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Scroll-reveal base: all elements start hidden and slide in */
.service-card,
.why-us__card,
.section__header,
.contact__info,
.contact__form,
.tech-category,
.industry-card,
.engagement__card,
.testimonial,
.award,
.stat-item,
.project-card {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Section headers slide up */
.section__header {
    transform: translateY(30px);
}

/* Cards in grids slide up with slightly longer travel */
.service-card,
.why-us__card,
.industry-card,
.project-card {
    transform: translateY(50px);
}

/* Contact info slides from left, form from right */
.contact__info {
    transform: translateX(-40px);
}

.contact__form {
    transform: translateX(40px);
}

/* Stats slide up from below */
.stat-item {
    transform: translateY(30px);
}

/* Engagement cards slide from left */
.engagement__card {
    transform: translateX(-30px);
}

/* Tech categories slide from right */
.tech-category {
    transform: translateX(30px);
}

/* Testimonials & awards scale in */
.testimonial,
.award {
    transform: scale(0.9) translateY(20px);
}

/* Visible state: all reset to normal */
.service-card.visible,
.why-us__card.visible,
.section__header.visible,
.contact__info.visible,
.contact__form.visible,
.tech-category.visible,
.industry-card.visible,
.engagement__card.visible,
.testimonial.visible,
.award.visible,
.stat-item.visible,
.project-card.visible {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

/* ========================================
   Responsive Adjustments
   ======================================== */

@media (max-width: 1024px) {
    :root {
        --text-5xl: 2.5rem;
        --text-4xl: 2rem;
    }

    .section {
        padding: var(--space-16) 0;
    }

    .tech-stack__categories {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
    }

    .section {
        padding: var(--space-12) 0;
    }

    .section__header {
        margin-bottom: var(--space-8);
    }

    .hero {
        min-height: auto;
        padding: var(--space-24) 0 var(--space-16);
    }

    .hero__content {
        padding: var(--space-16) 0;
    }

    .cta-banner {
        padding: var(--space-12) 0;
    }

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

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }

    .service-card {
        padding: var(--space-6);
    }

    .tech-stack__categories {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Hero Enhancements
   ======================================== */

/* Hero Trust Section */
.hero__trust {
    margin-top: var(--space-10);
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-8);
}


.hero__clients {
    flex: 1;
}

.hero__clients-label {
    display: block;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--space-4);
}

.client-logos {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: center;
}

.client-logo {
    padding: var(--space-3) var(--space-5);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.02em;
    color: rgba(255, 255, 255, 0.9);
    transition: all var(--transition-base);
    backdrop-filter: blur(4px);
}

.client-logo:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.client-logo span {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Client logo with icon indicator */
.client-logo::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--color-accent-secondary);
    border-radius: 50%;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .client-logos {
        justify-content: center;
    }
}

/* ========================================
   Stats Bar Section
   ======================================== */

.stats-bar {
    background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 50%, #6366F1 100%);
    padding: var(--space-12) 0;
}

.stats-bar__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.stat-item__number {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-white);
}

.stat-item__label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 768px) {
    .stats-bar__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .stat-item__number {
        font-size: var(--text-2xl);
    }
}

/* ========================================
   Industries Section (Dark Theme)
   ======================================== */

.section--dark {
    background: linear-gradient(135deg, var(--color-dark) 0%, #1a1f42 100%);
    color: var(--color-white);
}

.section__header--light .section__label {
    color: var(--color-primary-light);
}

.section__header--light .section__title {
    color: var(--color-white);
}

.section__header--light .section__description {
    color: rgba(255, 255, 255, 0.7);
}

.industries__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
}

.industry-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

.industry-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-primary-light);
    transform: translateY(-4px);
}

.industry-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: rgba(104, 120, 214, 0.2);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
    color: var(--color-primary-light);
}

.industry-card__title {
    font-size: var(--text-xl);
    color: var(--color-white);
    margin-bottom: var(--space-3);
}

.industry-card__description {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-4);
}

.industry-card__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.industry-card__list li {
    position: relative;
    padding-left: var(--space-5);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
}

.industry-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--color-primary-light);
    border-radius: 50%;
}

/* ========================================
   Engagement Models Section
   ======================================== */

.engagement__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
}

.engagement__card {
    position: relative;
    background: var(--color-white);
    border: 1px solid var(--color-light);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

.engagement__card:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-lg);
}

.engagement__card--featured {
    border-color: var(--color-primary);
    background: linear-gradient(180deg, var(--color-white) 0%, rgba(104, 120, 214, 0.05) 100%);
}

.engagement__badge {
    position: absolute;
    top: calc(-1 * var(--space-3));
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-1) var(--space-4);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.engagement__title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-3);
    text-align: center;
}

.engagement__description {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: var(--space-6);
}

.engagement__features {
    margin-bottom: var(--space-6);
}

.engagement__features li {
    position: relative;
    padding-left: var(--space-6);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
}

.engagement__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 600;
}

.engagement__best {
    display: block;
    padding: var(--space-3) var(--space-4);
    background: var(--color-light);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    color: var(--color-text-light);
    text-align: center;
}

/* ========================================
   Testimonials Section
   ======================================== */

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
}

.testimonial {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
}

.testimonial__stars {
    color: #FCD34D;
    font-size: var(--text-lg);
    margin-bottom: var(--space-4);
}

.testimonial__quote {
    font-size: var(--text-base);
    font-style: italic;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.testimonial__author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.testimonial__avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: 50%;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-white);
}

.testimonial__info {
    display: flex;
    flex-direction: column;
}

.testimonial__info strong {
    color: var(--color-white);
}

.testimonial__info span {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
}

.testimonial__source {
    padding-top: var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.testimonial__source span {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.5);
}

/* ========================================
   Awards Section
   ======================================== */

.awards__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-4);
}

.award {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--color-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.award:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
}

.award__logo {
    flex-shrink: 0;
}

.award__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
}

.award__info {
    display: flex;
    flex-direction: column;
}

.award__info strong {
    font-size: var(--text-sm);
    color: var(--color-dark);
}

.award__info span {
    font-size: var(--text-xs);
    color: var(--color-text-light);
}

/* ========================================
   Enhanced CTA Banner
   ======================================== */

.cta-banner__buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
}

.cta-banner__buttons .btn {
    min-width: 400px;
    text-align: center;
}

.btn--outline-white {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn--outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
}

/* ========================================
   Enhanced Contact Form
   ======================================== */

.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

@media (max-width: 480px) {
    .form__row {
        grid-template-columns: 1fr;
    }
}

.form__select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-family: var(--font-body);
    background: var(--color-white);
    cursor: pointer;
    transition: all var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23393A56' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    padding-right: var(--space-10);
}

.form__select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(104, 120, 214, 0.1);
}

.form__group--checkbox {
    margin-bottom: var(--space-6);
}

.form__checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--color-text);
}

.form__checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.form__note {
    margin-top: var(--space-4);
    font-size: var(--text-xs);
    color: var(--color-text-light);
    text-align: center;
}

.contact__social {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

/* ========================================
   Enhanced Footer
   ======================================== */

.footer__bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__legal {
    display: flex;
    gap: var(--space-6);
}

.footer__legal a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
}

.footer__legal a:hover {
    color: var(--color-white);
}

@media (max-width: 768px) {
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }

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

/* ========================================
   Animation Enhancements
   ======================================== */

.industry-card,
.engagement__card,
.testimonial,
.award,
.tech-category {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.industry-card.visible,
.engagement__card.visible,
.testimonial.visible,
.award.visible,
.tech-category.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Additional Responsive Adjustments
   ======================================== */

@media (max-width: 1024px) {
    .industries__grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .industries__grid,
    .engagement__grid,
    .testimonials__grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .awards__grid {
        grid-template-columns: 1fr;
    }

    .award {
        justify-content: center;
        text-align: center;
        flex-direction: column;
    }
}

/* ========================================
   Micro-Interactions & Polish
   ======================================== */

/* Service card link arrow animation */
.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-primary);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.service-card__link::after {
    content: '→';
    transition: transform var(--transition-fast);
}

.service-card__link:hover {
    color: var(--color-primary-dark);
}

.service-card__link:hover::after {
    transform: translateX(4px);
}

/* Button micro-interactions */
.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.25);
}

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

.btn--outline:hover,
.btn--outline-white:hover {
    transform: translateY(-2px);
}

/* Industry card hover lift */
.industry-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Why-us card subtle glow on hover */
.why-us__card:hover {
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.08);
}

/* Stats number pulse effect */
@keyframes countUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.stat-item__number.animate {
    animation: countUp 0.8s ease-out forwards;
}

/* Social link hover */
.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
}

/* Tech logo hover */
.tech-logo:hover {
    transform: scale(1.05);
}

/* Form input focus glow */
.form__input:focus,
.form__textarea:focus {
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

/* Smooth page transitions */
.page-hero,
.hero,
.section {
    opacity: 1;
    animation: fadeInUp 0.6s ease-out;
}

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

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