/* ============================================
   Gessta Enerji — GES EPC Website Styles
   ============================================ */

/* === RESET & BASE === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --clr-primary: #0369a1;
    --clr-primary-light: #0ea5e9;
    --clr-primary-dark: #075985;
    --clr-primary-50: #f0f9ff;
    --clr-primary-100: #e0f2fe;

    --clr-green: #10b981;
    --clr-green-dark: #047857;
    --clr-green-50: #ecfdf5;

    --clr-accent: #f59e0b;
    --clr-accent-dark: #d97706;
    --clr-accent-light: #fde68a;

    --clr-white: #ffffff;
    --clr-gray-50: #f9fafb;
    --clr-gray-100: #f3f4f6;
    --clr-gray-200: #e5e7eb;
    --clr-gray-300: #d1d5db;
    --clr-gray-400: #9ca3af;
    --clr-gray-500: #6b7280;
    --clr-gray-600: #4b5563;
    --clr-gray-700: #374151;
    --clr-gray-800: #1f2937;
    --clr-gray-900: #111827;
    --clr-gray-950: #030712;

    /* Typography */
    --ff-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --section-py: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* 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);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
}

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

body {
    font-family: var(--ff-primary);
    color: var(--clr-gray-700);
    background: var(--clr-white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Gradient text */
.text-gradient {
    background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--ff-primary);
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.btn--primary {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
    color: var(--clr-white);
    border-color: var(--clr-primary);
    box-shadow: 0 4px 14px rgb(3 105 161 / 0.3);
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-primary));
    border-color: var(--clr-primary-light);
    box-shadow: 0 6px 20px rgb(3 105 161 / 0.4);
    transform: translateY(-2px);
}

.btn--outline {
    background: transparent;
    color: var(--clr-white);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn--outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-2px);
}

.btn--lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

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

/* === HEADER === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0.85rem 0;
    background: #1e293b;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: padding var(--transition-normal), background var(--transition-normal), border-color var(--transition-normal);
}

.header.scrolled {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: var(--shadow-md);
    padding: 1.1rem 0;
}

.header .logo__text {
    color: var(--clr-white);
}

.header .nav__link {
    color: rgba(255, 255, 255, 0.75);
}

.header .nav__link:hover,
.header .nav__link.active {
    color: var(--clr-accent);
}

.header .logo__icon {
    color: var(--clr-accent);
}

.header .hamburger span {
    background: var(--clr-white);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    z-index: 1001;
}

.logo__icon {
    width: 36px;
    height: 36px;
    color: var(--clr-accent);
    transition: transform var(--transition-normal);
}

.logo:hover .logo__icon {
    transform: rotate(30deg);
}

.logo__text {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--clr-gray-800);
    letter-spacing: -0.02em;
    transition: color var(--transition-normal);
}

.logo__accent {
    color: var(--clr-accent);
}

/* Logo Image */
.logo__img {
    height: 52px;
    width: auto;
    object-fit: contain;
    transition: height var(--transition-normal), transform var(--transition-normal);
}

.header.scrolled .logo__img {
    height: 58px;
}

.logo:hover .logo__img {
    transform: scale(1.05);
}

.logo__img--footer {
    height: 48px;
}

/* Nav */
.nav__list {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav__link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--clr-gray-600);
    position: relative;
    padding: 0.25rem 0;
    transition: color var(--transition-fast);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--clr-accent);
    border-radius: 1px;
    transition: width var(--transition-normal);
}

.nav__link:hover,
.nav__link.active {
    color: var(--clr-primary);
}

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

.header__cta {
    font-size: 0.875rem;
    padding: 0.6rem 1.4rem;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 4px;
}

.hamburger span {
    width: 24px;
    height: 2.5px;
    background: var(--clr-gray-800);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* === HERO === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
}

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

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        160deg,
        rgba(3, 7, 18, 0.82) 0%,
        rgba(7, 89, 133, 0.65) 50%,
        rgba(4, 120, 87, 0.5) 100%
    );
}

.hero__content {
    position: relative;
    z-index: 2;
    padding-top: 8rem;
    padding-bottom: 4rem;
    max-width: 720px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 100px;
    padding: 0.5rem 1.25rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--clr-accent-light);
    margin-bottom: 1.75rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero__title {
    font-size: clamp(2.2rem, 5vw, 3.75rem);
    font-weight: 900;
    color: var(--clr-white);
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero__title--accent {
    background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__desc {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    max-width: 540px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.hero__scroll {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero__scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    position: relative;
}

.hero__scroll-indicator::before {
    content: '';
    width: 4px;
    height: 8px;
    background: var(--clr-accent);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollBounce 2s infinite;
}

/* === STATS === */
.stats {
    background: linear-gradient(135deg, var(--clr-gray-900), var(--clr-gray-950));
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--clr-primary-light), var(--clr-green), transparent);
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 1.5rem 1rem;
    position: relative;
}

.stat:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.stat__icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 1rem;
    color: var(--clr-accent);
}

.stat__number {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: var(--clr-white);
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.stat__label {
    font-size: 0.875rem;
    color: var(--clr-gray-400);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* === SECTION HEADER === */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 3.5rem;
}

.section-header__tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--clr-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
    padding: 0.35rem 1rem;
    background: var(--clr-primary-50);
    border-radius: 100px;
    border: 1px solid var(--clr-primary-100);
}

.section-header__title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--clr-gray-900);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-header__desc {
    font-size: 1.0625rem;
    color: var(--clr-gray-500);
    line-height: 1.7;
}

/* === SERVICES === */
.services {
    padding: var(--section-py) 0;
    background: var(--clr-white);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.service-card {
    padding: 2.25rem 1.75rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--clr-gray-200);
    background: var(--clr-white);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--clr-primary-light), var(--clr-green));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--clr-primary-100);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card__icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--clr-primary-50), var(--clr-primary-100));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--clr-primary);
    transition: all var(--transition-normal);
}

.service-card__icon-wrap svg {
    width: 28px;
    height: 28px;
}

.service-card:hover .service-card__icon-wrap {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
    color: var(--clr-white);
}

.service-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--clr-gray-900);
    margin-bottom: 0.75rem;
}

.service-card__desc {
    font-size: 0.9rem;
    color: var(--clr-gray-500);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.service-card__list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.service-card__list li {
    font-size: 0.8125rem;
    color: var(--clr-gray-600);
    padding-left: 1.25rem;
    position: relative;
}

.service-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--clr-green);
}

/* === ABOUT === */
.about {
    padding: var(--section-py) 0;
    background: var(--clr-gray-50);
}

.about__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about__image {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.about__image img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    border-radius: var(--radius-2xl);
}

.about__badge {
    position: absolute;
    bottom: 1.5rem;
    right: 1.5rem;
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
    color: var(--clr-white);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-2xl);
}

.about__badge-number {
    font-size: 2rem;
    font-weight: 900;
    line-height: 1;
}

.about__badge-text {
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
}

.about__content .section-header__tag {
    display: inline-flex;
    margin-bottom: 0.75rem;
}

.about__content .section-header__title {
    text-align: left;
    margin-bottom: 1.25rem;
}

.about__text {
    font-size: 1rem;
    color: var(--clr-gray-600);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.about__features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.about__feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--clr-gray-700);
}

.about__feature svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--clr-green);
}

/* === PROJECTS === */
.projects {
    padding: var(--section-py) 0;
    background: var(--clr-white);
}

.projects__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.project-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    cursor: pointer;
}

.project-card__img {
    width: 100%;
    height: 100%;
}

.project-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card__img--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-card__img-icon {
    width: 80px;
    height: 80px;
    opacity: 0.6;
}

.project-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(3, 7, 18, 0.85) 0%,
        rgba(3, 7, 18, 0.2) 50%,
        transparent 100%
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    opacity: 1;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-card__overlay {
    opacity: 1;
}

.project-card:hover .project-card__img img {
    transform: scale(1.08);
}

.project-card__tag {
    display: inline-flex;
    align-self: flex-start;
    padding: 0.3rem 0.75rem;
    background: rgba(245, 158, 11, 0.9);
    color: var(--clr-gray-900);
    font-size: 0.6875rem;
    font-weight: 700;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.project-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--clr-white);
    margin-bottom: 0.5rem;
}

.project-card__meta {
    display: flex;
    gap: 1.25rem;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.7);
}

.project-card__meta span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

/* === CTA === */
.cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--clr-primary-dark), var(--clr-primary), var(--clr-green-dark));
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -60%;
    right: -20%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
}

.cta::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
}

.cta__inner {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta__title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    color: var(--clr-white);
    line-height: 1.3;
    margin-bottom: 1rem;
}

.cta__desc {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.75);
    max-width: 540px;
    margin: 0 auto 2rem;
}

.cta .btn--primary {
    background: var(--clr-accent);
    border-color: var(--clr-accent);
    color: var(--clr-gray-900);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3);
}

.cta .btn--primary:hover {
    background: var(--clr-accent-light);
    border-color: var(--clr-accent-light);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.45);
}

/* === FOOTER === */
.footer {
    background: var(--clr-gray-900);
    padding: 4rem 0 0;
}

.footer__inner {
    display: grid;
    grid-template-columns: 1.5fr 0.75fr 1.25fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.logo--footer .logo__text {
    color: var(--clr-white);
}

.logo--footer .logo__icon {
    color: var(--clr-accent);
}

.footer__desc {
    font-size: 0.9rem;
    color: var(--clr-gray-400);
    line-height: 1.7;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
}

.footer__contact-items {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.875rem;
    color: var(--clr-gray-300);
}

.footer__contact-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--clr-primary-light);
    margin-top: 2px;
}

.footer__heading {
    font-size: 1rem;
    font-weight: 700;
    color: var(--clr-white);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    position: relative;
}

.footer__heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: var(--clr-accent);
    border-radius: 1px;
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.footer__links a {
    font-size: 0.9rem;
    color: var(--clr-gray-400);
    transition: all var(--transition-fast);
    padding-left: 0;
}

.footer__links a:hover {
    color: var(--clr-white);
    padding-left: 6px;
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact-form__group input,
.contact-form__group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--ff-primary);
    font-size: 0.875rem;
    color: var(--clr-white);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--transition-fast);
}

.contact-form__group input::placeholder,
.contact-form__group textarea::placeholder {
    color: var(--clr-gray-500);
}

.contact-form__group input:focus,
.contact-form__group textarea:focus {
    border-color: var(--clr-primary-light);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

.contact-form__group textarea {
    resize: vertical;
    min-height: 90px;
}

.contact-form .btn {
    margin-top: 0.25rem;
}

/* Footer bottom */
.footer__bottom {
    padding: 1.25rem 0;
}

.footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer__bottom p {
    font-size: 0.8125rem;
    color: var(--clr-gray-500);
}

.footer__socials {
    display: flex;
    gap: 0.75rem;
}

.footer__social {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-gray-400);
    transition: all var(--transition-fast);
}

.footer__social svg {
    width: 16px;
    height: 16px;
}

.footer__social:hover {
    background: var(--clr-primary);
    color: var(--clr-white);
    transform: translateY(-2px);
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollBounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateX(-50%) translateY(14px);
        opacity: 0.3;
    }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .about__inner {
        gap: 3rem;
    }

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

    .footer__form-wrap {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    :root {
        --section-py: 4rem;
    }

    /* Mobile Nav */
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--clr-gray-900);
        padding: 5rem 2rem 2rem;
        transition: right var(--transition-normal);
        z-index: 999;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
    }

    .nav.open {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: 0;
    }

    .nav__link {
        display: block;
        padding: 0.9rem 0;
        font-size: 1rem;
        color: var(--clr-gray-300);
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .nav__link:hover,
    .nav__link.active {
        color: var(--clr-accent);
    }

    .hamburger {
        display: flex;
    }

    .header__cta {
        display: none;
    }

    /* Stats */
    .stats__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .stat:not(:last-child)::after {
        display: none;
    }

    /* About */
    .about__inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about__image img {
        height: 300px;
    }

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

    /* Projects */
    .projects__grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    /* Footer */
    .footer__inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer__bottom-inner {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    /* Hero */
    .hero__content {
        padding-top: 7rem;
    }

    .hero__desc {
        font-size: 1rem;
    }
}

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

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        justify-content: center;
    }
}

/* === PRODUCTS PAGE === */

/* Page Hero */


.page-hero {
    position: relative;
    padding: 10rem 0 4rem;
    overflow: hidden;
}

.page-hero__bg {
    position: absolute;
    inset: 0;
}

.page-hero__gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        var(--clr-gray-950) 0%,
        var(--clr-primary-dark) 50%,
        var(--clr-green-dark) 100%
    );
}

.page-hero__gradient::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
}

.page-hero__content {
    position: relative;
    z-index: 2;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--clr-accent);
}

.breadcrumb svg {
    color: rgba(255, 255, 255, 0.3);
}

.breadcrumb span {
    color: var(--clr-accent);
    font-weight: 500;
}

.page-hero__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: var(--clr-white);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.page-hero__desc {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    max-width: 600px;
}

/* Products Filter */
.products {
    padding: 3rem 0 var(--section-py);
    background: var(--clr-gray-50);
}

.products__filter {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
    padding: 0.5rem;
    background: var(--clr-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--clr-gray-200);
    box-shadow: var(--shadow-sm);
}

.products__filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    font-family: var(--ff-primary);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--clr-gray-500);
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.products__filter-btn:hover {
    color: var(--clr-primary);
    background: var(--clr-primary-50);
}

.products__filter-btn.active {
    color: var(--clr-white);
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
    box-shadow: 0 4px 12px rgba(3, 105, 161, 0.3);
}

.products__filter-btn svg {
    flex-shrink: 0;
}

/* Products Grid */
.products__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

/* Product Card */
.product-card {
    background: var(--clr-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--clr-gray-200);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08), 0 8px 16px rgba(0, 0, 0, 0.06);
    border-color: var(--clr-primary-100);
}

.product-card__badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 3;
    padding: 0.25rem 0.75rem;
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--clr-white);
    background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-primary));
    border-radius: 100px;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.3);
}

.product-card__badge--dc {
    background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-dark));
    color: var(--clr-gray-900);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.product-card__badge--other {
    background: linear-gradient(135deg, var(--clr-green), var(--clr-green-dark));
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.product-card__img {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    background: linear-gradient(135deg, var(--clr-gray-50), var(--clr-white));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.product-card__img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-card__img img {
    transform: scale(1.08);
}

.product-card__info {
    padding: 1.25rem 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    flex-grow: 1;
}

.product-card__title {
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--clr-gray-900);
    letter-spacing: -0.01em;
}

.product-card__subtitle {
    font-size: 0.875rem;
    color: var(--clr-gray-500);
    font-weight: 500;
}

.product-card__specs {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--clr-gray-100);
}

.product-card__specs span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--clr-gray-600);
}

.product-card__specs svg {
    color: var(--clr-primary-light);
}

.product-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: auto;
    padding-top: 0.75rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--clr-primary);
    transition: all var(--transition-fast);
}

.product-card__link svg {
    transition: transform var(--transition-fast);
}

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

.product-card__link:hover svg {
    transform: translateX(4px);
}

/* Products Page Responsive */
@media (max-width: 1024px) {
    .products__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .page-hero {
        padding: 8rem 0 3rem;
    }

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

    .products__filter {
        padding: 0.35rem;
        gap: 0.35rem;
    }

    .products__filter-btn {
        padding: 0.5rem 0.9rem;
        font-size: 0.8125rem;
    }

    .product-card__img {
        padding: 1rem;
    }

    .product-card__info {
        padding: 1rem 1.25rem 1.25rem;
    }
}

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

    .products__filter-btn svg {
        display: none;
    }
}

/* Mobile nav overlay */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ====== PRODUCT MODAL ====== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(3, 7, 18, 0.7);
    backdrop-filter: blur(4px);
    cursor: pointer;
}

.modal__content {
    position: relative;
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: translateY(20px) scale(0.95);
    transition: all var(--transition-normal);
}

.modal[aria-hidden="false"] .modal__content {
    transform: translateY(0) scale(1);
}

.modal__close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: var(--clr-gray-100);
    color: var(--clr-gray-600);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
}

.modal__close:hover {
    background: var(--clr-gray-200);
    color: var(--clr-gray-900);
}

.modal__body {
    padding: 2.5rem;
}

.modal-product {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.modal-product__header {
    text-align: center;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--clr-gray-200);
}

.modal-product__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--clr-primary-900);
    margin-bottom: 0.5rem;
}

.modal-product__badge {
    display: inline-flex;
    padding: 0.25rem 0.75rem;
    background: var(--clr-primary-50);
    color: var(--clr-primary-700);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.modal-product__specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.modal-spec {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem;
    background: var(--clr-gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--clr-gray-100);
}

.modal-spec__label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--clr-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.modal-spec__value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--clr-gray-900);
}

@media (max-width: 640px) {
    .modal__body { padding: 1.5rem; }
    .modal-product__specs { grid-template-columns: 1fr; }
}

/* === SCROLL TO TOP BUTTON === */
.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 999;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, #0369a1, #0ea5e9);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(3, 105, 161, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: all 0.35s ease;
}
.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.scroll-top:hover {
    background: linear-gradient(135deg, #075985, #0369a1);
    box-shadow: 0 6px 28px rgba(3, 105, 161, 0.55);
    transform: translateY(-3px);
}
.scroll-top:active {
    transform: translateY(0);
}

@media (max-width: 576px) {
    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
}