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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

/* ===== CSS VARIABLES ===== */
:root {
    --header-height: 5rem;
    
    /* Colors */
    --primary-color: #000;
    --secondary-color: #D4A574;
    --accent-color: #fff;
    --light-gray: #F8F9FA;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    --text-color: #333;
    --text-light: #6c757d;
    --border-color: #e9ecef;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.3) 100%);
    
    /* Typography */
    --biggest-font-size: 3.5rem;
    --h1-font-size: 3rem;
    --h2-font-size: 2.5rem;
    --h3-font-size: 1.75rem;
    --normal-font-size: 1rem;
    --small-font-size: 0.875rem;
    --smaller-font-size: 0.75rem;
    
    /* Font Weight */
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    /* Spacing */
    --mb-0-25: 0.25rem;
    --mb-0-5: 0.5rem;
    --mb-1: 1rem;
    --mb-1-5: 1.5rem;
    --mb-2: 2rem;
    --mb-2-5: 2.5rem;
    --mb-3: 3rem;
    --mb-4: 4rem;
    
    /* Z-index */
    --z-tooltip: 10;
    --z-fixed: 100;
    --z-modal: 1000;
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.2s ease;
    --transition-slow: all 0.5s ease;
}

/* ===== REUSABLE CSS CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
}

.section__header {
    text-align: center;
    margin-bottom: var(--mb-4);
}

.section__title {
    font-size: var(--h2-font-size);
    font-weight: var(--font-bold);
    color: var(--primary-color);
    margin-bottom: var(--mb-1);
    position: relative;
}

.section__title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 4rem;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section__subtitle {
    font-size: var(--normal-font-size);
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===== BUTTONS ===== */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: var(--font-semibold);
    font-size: var(--normal-font-size);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.button--primary {
    background: var(--gradient-primary);
    color: var(--accent-color);
    box-shadow: 0 4px 15px rgba(212, 165, 116, 0.3);
    border-radius: 50px;
    overflow: hidden;
    position: relative;
}

.button--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(212, 165, 116, 0.4);
}

.button--secondary {
    background: rgba(212, 165, 116, 0.1);
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    border-radius: 50px;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.button--secondary:hover {
    background: var(--secondary-color);
    color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(212, 165, 116, 0.4);
}

.button--outline {
    background: transparent;
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.button--outline:hover {
    background: var(--secondary-color);
    color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(212, 165, 116, 0.3);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px var(--shadow-color);
    z-index: var(--z-fixed);
    transition: var(--transition);
}

.nav {
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav__logo-img {
    width: 60px;
    height: 60px;
    border-radius: 8px;
}

.nav__logo-text {
    font-family: 'Inter', sans-serif;
    font-weight: var(--font-bold);
    font-size: 1.25rem;
    color: var(--primary-color);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 3rem;
}

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

.nav__link {
    font-weight: var(--font-medium);
    font-size: var(--normal-font-size);
    color: var(--text-color);
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition);
}

.nav__link:hover,
.nav__link.active-link {
    color: var(--secondary-color);
}

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

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

.nav__contact {
    display: flex;
    gap: 1.5rem;
}

.nav__contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--small-font-size);
    color: var(--text-light);
}

.nav__contact-item i {
    color: var(--secondary-color);
}

.nav__toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
    height: 100vh;
    min-height: 800px;
    background: var(--gradient-hero);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/hero-energy-facility.png') center/cover no-repeat;
    z-index: -2;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    z-index: -1;
}

.hero__container {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

.hero__content {
    color: var(--accent-color);
    text-align: center;
    max-width: 800px;
}

.hero__company-name {
    font-size: 1.5rem;
    font-weight: var(--font-bold);
    color: var(--secondary-color);
    margin-bottom: var(--mb-1);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero__title {
    font-size: var(--biggest-font-size);
    font-weight: var(--font-bold);
    margin-bottom: var(--mb-1-5);
    line-height: 1.1;
}

.hero__title-accent {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #E6C08A 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__description {
    font-size: 1.4rem;
    font-weight: var(--font-semibold);
    margin-bottom: var(--mb-3);
    opacity: 1;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.hero__features {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: var(--mb-3);
    flex-wrap: wrap;
}

.hero__feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
}

.hero__feature i {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.hero__feature span {
    font-size: 1.1rem;
    font-weight: var(--font-bold);
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    color: var(--accent-color);
}

.hero__buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* Hero image removed - using background image only */

.hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--accent-color);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ===== ABOUT SECTION ===== */
.about {
    background: var(--light-gray);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(212, 165, 116, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 0, 0, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: var(--mb-4) 0;
    text-align: center;
}

.about__stat-item {
    background: var(--accent-color);
    padding: 2rem 1rem;
    border-radius: 15px;
    box-shadow: 0 10px 25px var(--shadow-color);
    border-left: 4px solid var(--secondary-color);
    transition: var(--transition);
}

.about__stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px var(--shadow-hover);
}

.about__stat-number {
    font-size: 2.5rem;
    font-weight: var(--font-bold);
    color: var(--secondary-color);
    display: block;
}

.about__stat-label {
    font-size: var(--small-font-size);
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
}

.about__highlight {
    background: linear-gradient(135deg, var(--secondary-color), #E6C08A);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: var(--font-bold);
}

.about__content {
    display: flex;
    justify-content: center;
    margin-bottom: var(--mb-4);
}

.about__text {
    max-width: 900px;
    text-align: center;
}

.about__description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--mb-2);
    color: var(--text-color);
}

.about__image {
    position: relative;
}

.about__img {
    border-radius: 15px;
    box-shadow: 0 15px 30px var(--shadow-color);
    transition: var(--transition);
}

.about__img:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 40px var(--shadow-hover);
}

.about__mission-vision {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: var(--mb-4);
}

.mission-vision__item {
    background: var(--accent-color);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 25px var(--shadow-color);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.mission-vision__item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.mission-vision__item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px var(--shadow-hover);
}

.mission-vision__icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: var(--mb-1);
    text-align: center;
    display: block;
    text-shadow: 0 2px 10px rgba(212, 165, 116, 0.3);
    width: 100%;
    line-height: 1;
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
}

.mission-vision__title {
    color: var(--primary-color);
    margin-bottom: var(--mb-1);
    font-size: var(--h3-font-size);
}

.mission-vision__text {
    color: var(--text-light);
    line-height: 1.8;
}

.about__values,
.about__why-choose {
    margin-bottom: var(--mb-4);
}

.values__title,
.why-choose__title {
    text-align: center;
    font-size: var(--h3-font-size);
    color: var(--primary-color);
    margin-bottom: var(--mb-3);
}

.values__grid,
.why-choose__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: var(--mb-3);
}

.values__item,
.why-choose__item {
    background: var(--accent-color);
    padding: 2.5rem 1.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 25px var(--shadow-color);
    transition: var(--transition);
    position: relative;
}

.values__item:hover,
.why-choose__item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px var(--shadow-hover);
}

.values__icon,
.why-choose__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--mb-1);
    border-radius: 50%;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.values__img,
.why-choose__img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.values__name,
.why-choose__name {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: var(--mb-0-5);
}

.values__description,
.why-choose__description {
    color: var(--text-light);
    line-height: 1.6;
}

.about__cta {
    text-align: center;
}

/* ===== SERVICES SECTION ===== */
.services {
    background: var(--accent-color);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
}

.services__card {
    background: var(--accent-color);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 15px 35px var(--shadow-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.services__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
}

.services__card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px var(--shadow-hover);
}

.services__icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--mb-2);
    border-radius: 20px;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.services__img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.services__title {
    text-align: center;
    color: var(--primary-color);
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-1-5);
}

.services__description {
    text-align: center;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: var(--mb-2);
}

.services__details {
    margin-bottom: var(--mb-2-5);
}

.services__list {
    margin-bottom: var(--mb-1-5);
}

.services__list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-color);
    line-height: 1.6;
}

.services__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--secondary-color);
    font-weight: var(--font-bold);
}

.services__footer {
    color: var(--text-light);
    font-style: italic;
    line-height: 1.7;
}

.services__cta {
    width: 100%;
    margin-top: auto;
}

/* ===== CONTACT SECTION ===== */
.contact {
    background: var(--light-gray);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: var(--mb-4);
}

.contact__info-header {
    margin-bottom: var(--mb-3);
}

.contact__info-title {
    font-size: var(--h3-font-size);
    color: var(--primary-color);
    margin-bottom: var(--mb-2);
}

.contact__office-image {
    margin-bottom: var(--mb-2);
}

.contact__office-img {
    border-radius: 15px;
    box-shadow: 0 10px 25px var(--shadow-color);
}

.contact__detail {
    margin-bottom: var(--mb-2-5);
}

.contact__detail-title {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: var(--mb-1);
}

.contact__detail-text {
    color: var(--text-light);
    line-height: 1.8;
}

.contact__detail-item,
.contact__hours-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.contact__detail-item i {
    color: var(--secondary-color);
    width: 20px;
}

.contact__hours-item {
    justify-content: space-between;
}

.contact__hours-day {
    font-weight: var(--font-medium);
}

/* ===== CONTACT FORM ===== */
.contact__form-container {
    background: var(--accent-color);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 15px 35px var(--shadow-color);
}

.contact__form-header {
    text-align: center;
    margin-bottom: var(--mb-3);
}

.contact__form-title {
    color: var(--primary-color);
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-1);
}

.contact__form-subtitle {
    color: var(--text-light);
    line-height: 1.6;
}

.form__group {
    margin-bottom: var(--mb-2);
}

.form__group--textarea {
    margin-bottom: var(--mb-2-5);
}

.form__input,
.form__select,
.form__textarea {
    width: 100%;
    padding: 1rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: inherit;
    font-size: var(--normal-font-size);
    background: var(--accent-color);
    transition: var(--transition);
    outline: none;
    resize: none;
    line-height: 1.4;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.1);
}

/* Form labels removed - using placeholders only */

.form__submit {
    width: 100%;
    margin-top: var(--mb-1);
}

.form__message {
    text-align: center;
    margin-top: var(--mb-1);
    padding: 1rem;
    border-radius: 8px;
    font-weight: var(--font-medium);
    display: none;
}

.form__message.success {
    background: rgba(212, 165, 116, 0.1);
    color: #16a34a;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.form__message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ===== CONTACT MAP ===== */
.contact__map {
    text-align: center;
}

.contact__map-title {
    color: var(--primary-color);
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-2);
}

.contact__map-container {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 35px var(--shadow-color);
}

.contact__map-iframe {
    width: 100%;
    height: 400px;
    border: none;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--primary-color);
    color: var(--accent-color);
    padding: 3rem 0 2rem;
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: var(--mb-2);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--mb-1);
}

.footer__logo-img {
    width: 60px;
    height: 60px;
    border-radius: 8px;
}

.footer__logo-text {
    font-family: 'Inter', sans-serif;
    font-weight: var(--font-bold);
    font-size: 1.25rem;
    color: var(--accent-color);
}

.footer__description {
    color: var(--secondary-color);
    font-weight: var(--font-medium);
    margin-bottom: var(--mb-0-5);
}

.footer__est {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--small-font-size);
}

.footer__title {
    color: var(--accent-color);
    font-size: 1.1rem;
    margin-bottom: var(--mb-1-5);
}

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

.footer__link {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer__link:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

.footer__contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer__contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer__contact-item i {
    color: var(--secondary-color);
    width: 20px;
}

.footer__bottom {
    text-align: center;
    padding-top: var(--mb-2);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--small-font-size);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    right: 2rem;
    bottom: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--accent-color);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(212, 165, 116, 0.3);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: var(--z-tooltip);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(212, 165, 116, 0.4);
}

/* ===== RESPONSIVE DESIGN ===== */
@media screen and (max-width: 1024px) {
    :root {
        --biggest-font-size: 2.5rem;
        --h1-font-size: 2.25rem;
        --h2-font-size: 2rem;
        --h3-font-size: 1.5rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .nav__contact {
        display: none;
    }
    
    .hero {
        padding-top: calc(var(--header-height) + 2rem);
        min-height: calc(100vh - var(--header-height));
    }
    
    .hero__container {
        display: flex;
        justify-content: center;
        align-items: center;
        text-align: center;
        min-height: calc(100vh - var(--header-height) - 4rem);
    }
    
    .hero__features {
        gap: 2rem;
    }
    
    .hero__feature {
        min-width: 120px;
    }
    
    .about__content {
        display: flex;
        justify-content: center;
    }
    
    .about__text {
        max-width: 100%;
        text-align: center;
    }
    
    .about__mission-vision {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .services__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .services__card {
        padding: 2rem;
    }
    
    .contact__content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
}

@media screen and (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: var(--accent-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: var(--transition);
        box-shadow: 0 2px 20px var(--shadow-color);
    }
    
    .nav__menu.show {
        left: 0;
    }
    
    .nav__list {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .nav__link {
        font-size: 1.25rem;
    }
    
    .nav__contact {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav__toggle {
        display: block;
    }
    
    .hero {
        height: 100vh;
        padding-top: calc(var(--header-height) + 4rem);
        min-height: calc(100vh - var(--header-height));
    }
    
    .hero__container {
        min-height: calc(100vh - var(--header-height) - 8rem);
    }
    
    .hero__buttons {
        justify-content: center;
        gap: 1rem;
    }
    
    .hero__features {
        gap: 1.5rem;
        flex-direction: column;
    }
    
    .hero__feature {
        min-width: auto;
    }
    
    .hero__company-name {
        font-size: 1.25rem;
        margin-top: 2rem;
    }
    
    .hero__description {
        font-size: 1.2rem;
    }
    
    .hero__feature span {
        font-size: 1rem;
    }
    
    .button {
        padding: 0.875rem 1.5rem;
        font-size: var(--small-font-size);
    }
    
    .values__grid,
    .why-choose__grid {
        grid-template-columns: 1fr;
    }
    
    .services__grid {
        grid-template-columns: 1fr;
    }
    
    .contact__form-container {
        padding: 2rem;
    }
    
    .back-to-top {
        right: 1rem;
        bottom: 1rem;
        width: 45px;
        height: 45px;
        font-size: 1.25rem;
    }
}

@media screen and (max-width: 480px) {
    :root {
        --biggest-font-size: 2rem;
        --h1-font-size: 1.75rem;
        --h2-font-size: 1.5rem;
        --h3-font-size: 1.25rem;
    }
    
    .container {
        padding: 0 0.75rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    /* CRITICAL: Fix iPhone 14 Pro header overlap */
    .hero {
        height: 100vh;
        padding-top: calc(var(--header-height) + 6rem);
        min-height: calc(100vh - var(--header-height));
    }
    
    .hero__container {
        min-height: calc(100vh - var(--header-height) - 12rem);
        padding-top: 3rem;
        justify-content: flex-start;
        align-items: flex-start;
        padding-bottom: 4rem;
    }
    
    .hero__content {
        margin-top: 2rem;
    }
    
    .hero__title {
        font-size: 2rem;
        margin-bottom: var(--mb-1-5);
    }
    
    .hero__company-name {
        font-size: 1.1rem;
        margin-top: 1rem;
        margin-bottom: 1rem;
    }
    
    .hero__description {
        font-size: 1.1rem;
        margin-bottom: var(--mb-2);
    }
    
    .hero__buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .button {
        width: 100%;
        max-width: 300px;
    }
    
    .mission-vision__item,
    .values__item,
    .why-choose__item {
        padding: 2rem 1rem;
    }
    
    .about__stats {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    
    .about__stat-item {
        padding: 1.5rem 1rem;
    }
    
    .about__stat-number {
        font-size: 2rem;
    }
    
    .mission-vision__icon {
        font-size: 2.5rem;
    }
    
    .services__card {
        padding: 1.5rem;
    }
    
    .contact__form-container {
        padding: 1.5rem;
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

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

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

.d-none {
    display: none;
}

.d-block {
    display: block;
}

.d-flex {
    display: flex;
}

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

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

.mt-1 { margin-top: var(--mb-1); }
.mt-2 { margin-top: var(--mb-2); }
.mt-3 { margin-top: var(--mb-3); }
.mb-1 { margin-bottom: var(--mb-1); }
.mb-2 { margin-bottom: var(--mb-2); }
.mb-3 { margin-bottom: var(--mb-3); }